Full Cta Proj

8/14/2019 Full Cta Proj

1/36

import java.io.*;import PROJECT_FILES.*;

public class project extends read implements Runnable{

private String pass;

public project() throws IOException

{try{

BufferedReader fr = new BufferedReader(new FileReader("pass.passx"));pass = fr.readLine();fr.close();

}catch (FileNotFoundException e){

PrintWriter pw = new PrintWriter(new FileWriter("pass.passx", true));pw.println("password");pw.close();pass = "password";

File tmp = new File("pass.passx");tmp.setReadOnly();

}}

private project(String tmp){}

public static void main(String args[]) throws IOException{

main();}

public static void main() throws IOException{

Sopln("Sharada Mandir Term 1 Report");Sopln("\nNote: DO NOT CLOSE the applet windows that open by clicking the

cross on the top.\nIf you close it this PROGRAM WILL STOP.\nClick the close buttonto close it.\n");

project proj = new project();Thread tmpthread = new Thread(new project(""), "text");applets.Title.thread(tmpthread);tmpthread.start();lines(2);proj.password();

proj.validate();proj.main_menu();

}

public void run(){

new applets.Title().main();}

private void password() throws IOException{


2/36

password.pass(pass);}

private void validate(){

password.validate();}

public void main_menu() throws IOException{

File tmp = new File("PROJECT_FILES/report.dat");while (tmp.exists()){

Sopln("\n\n\tMain Menu");switch(menu("Add a record--Search for a record--Edit an entry--Delete

record(s)--Disply All records--Change Password--Save changes and log out", "--")){

case 1 : lines(2); add(); break;case 2 : lines(2); search(); break;case 3 : lines(2); edit(); break;case 4 : lines(2); delete(); break;

case 5 : lines(2); dispall(); break;case 6 : lines(2); change_pass('n'); break;case 7 : lines(2); exit("Log Out Successful.\nThank You.");default : lines(2); Sopln("\nPlease enter a valid choice");

lines(2);}

}while (!tmp.exists()){

Sopln("\n\n\tMain Menu");switch(menu("Add a record--Change Password--Save changes and log out",

"--")){

case 1 : lines(2); add(); break;case 2 : lines (2); change_pass('n'); break;case 3 : lines (2); exit("Thank You");default : lines(2); Sopln("\nPlease enter a valid choice");

lines(2);}

}main_menu();

}

private void add() throws IOException{

new add().main();

}

private void edit() throws IOException{

new edit().main();}

private void delete() throws IOException{

new delete().main();}


3/36

private void search() throws IOException{

new search().main();}

private void change_pass(char error_var) throws IOException{

new change_pass().change_pass(error_var, pass);}

private void dispall() throws IOException{

String[] rec = no_of_lines.records();Sopln("perm_no\t\tclass\t\troll_no\t\tname");for (int i = 0; i < rec.length; i++){

String[] tmp = rec[i].split("-");int t = 0;Sopln(tmp[t++] + "\t\t10" + tmp[t++] + "\t\t" + tmp[t++] + "\t\t" +

tmp[t]);

}}

}


4/36

import java.io.File;import PROJECT_FILES.read;

public class clear{

static void main(){

report_only();pass_only();

}

static void report_only(){

File f2 = new File("PROJECT_FILES/report.dat");read.Sopln((f2.exists() ? f2.delete() : "null") + "

PROJECT_FILES/report.dat");

}

static void pass_only(){

File f1 = new File("pass.passx");read.Sopln((f1.exists() ? f1.delete() : "null") + " pass.passx");

}}


5/36

package PROJECT_FILES;import java.io.*;

public class read{

public static BufferedReader br = new BufferedReader(newInputStreamReader(System.in));

public static char rChar(){

try{

return (char) br.read();}catch (IOException xyz){

return ' ';}catch (StringIndexOutOfBoundsException e){

Sopln("Wrong Entry");return rChar();

}}

public static char rChar2(){

try{

return br.readLine().charAt(0);}catch (IOException xyz){

return ' ';}catch (StringIndexOutOfBoundsException e)

{Sopln("Wrong Entry");return rChar();}}

public static String rString(){

try{

return br.readLine();}catch (IOException xyz){

return "";}

}


6/36

public static int rInt(){

try{

return Integer.parseInt(br.readLine());}catch (IOException xyz)

{return 0;

}catch (NumberFormatException xyz1){

System.out.println("Wrong Entry");return rInt();

}}

public static double rDouble(){

try

{return Double.parseDouble(br.readLine());

}catch (IOException xyz){

return 0;}catch (NumberFormatException xyz1){

System.out.println("Wrong Entry");return rDouble();

}}

public static float rFloat(){

try{

return Float.parseFloat(br.readLine());}catch (IOException xyz){


System.out.println("Wrong Entry");return rFloat();

}}

public static byte rByte(){

try{

return Byte.parseByte(br.readLine());}


7/36

catch (IOException xyz){


System.out.println("Wrong Entry");return rByte();

}}

public static short rShort(){

try{

return Short.parseShort(br.readLine());}catch (IOException xyz){

return 0;}

catch (NumberFormatException xyz1){

System.out.println("Wrong Entry");return rShort();

}}

public static long rLong(){

try{

return Long.parseLong(br.readLine());}

catch (IOException xyz){


System.out.println("Wrong Entry");return rLong();

}}

public static void lines(int x){

for (int i = 0; i < x; i++)System.out.println();

}

public static void spaces(int x){for (int i = 0; i < x; i++)System.out.print(' ');

}

public static void Sopln(long s)


8/36

{System.out.println(s);

}

public static void Sopln(String s){System.out.println(s);

}

public static void Sopln(char s){System.out.println(s);

}

public static void Sopln(boolean s){System.out.println(s);

}

public static void Sopln(){

System.out.println();}

public static void Sop(long s){System.out.print(s);

}

public static void Sop(String s){System.out.print(s);

}

public static void Sop(char s){System.out.print(s);

}

public static void Sop(boolean s){System.out.print(s);

}

public static void Sop(){System.out.print("");

}

public static void exit(){System.exit(0);

}

public static void Sopln(double d){System.out.println(d);

}


9/36

public static void Sop(double d){System.out.print(d);

}

public static String toString(long n){

return "" + n;}

public static String toString(double n){return "" + n;

}

public static String toString(char n){return "" + n;

}

public static char rChar(String s){

try{

return (char) br.read();}catch (IOException xyz){

return ' ';}catch (StringIndexOutOfBoundsException e){

Sopln(s);

return rChar(s);}

}

public static char rChar2(String s){try{

return br.readLine().charAt(0);}catch (IOException xyz){

return ' ';

}catch(StringIndexOutOfBoundsException e){

return rChar2(s);}catch(NullPointerException e){return rChar2(s);

}}}


10/36

public static int rInt(String s){

try{

return Integer.parseInt(br.readLine());}catch (IOException xyz){


System.out.println(s);return rInt(s);

}}

public static double rDouble(String s){

try{

return Double.parseDouble(br.readLine());}catch (IOException xyz){


System.out.println(s);return rDouble(s);

}}

public static float rFloat(String s){

try{

return Float.parseFloat(br.readLine());}catch (IOException xyz){


System.out.println(s);

return rFloat(s);}

}

public static String toTitleCase(String str){

char[] ch = str.toLowerCase().toCharArray();if (ch.length != 0)

ch[0] = Character.toUpperCase(ch[0]);for (int i = 1; i < str.length(); i++)

if (ch[i - 1] == ' ')


11/36

ch[i] = Character.toUpperCase(ch[i]);return new String(ch);

}

public static byte rByte(String s){

try{

return Byte.parseByte(br.readLine());}catch (IOException xyz){


System.out.println(s);return rByte(s);

}}

public static short rShort(String s){

try{

return Short.parseShort(br.readLine());}catch (IOException xyz){


System.out.println(s);

return rShort(s);}

}

public static void clrStream(){

try{

br.readLine();}catch (IOException e){}

}

public static long rLong(String s){try{

return Long.parseLong(br.readLine());}catch (IOException xyz){

return 0;}


12/36

catch (NumberFormatException xyz1){

System.out.println(s);return rLong(s);

}}

public static double round(double no, int places_after_decimal)

{no *= Math.pow(10, places_after_decimal);no += 0.5;no = (int) no;no /= Math.pow(10, places_after_decimal);return no;

}

public static void arraycopy(Object source_array, int source_start_index,Object destination_array, int destination_start_index, int no_of_elements_to_copy)

{System.arraycopy(source_array, source_start_index, destination_array,

destination_start_index, no_of_elements_to_copy);

}

public static void arraycopy(Object source_array, Object destination_array,int no_of_elements_to_copy)

{System.arraycopy(source_array, 0, destination_array, 0,

no_of_elements_to_copy);}

public static void arraycopy(int[] source_array, int[] destination_array){

System.arraycopy(source_array, 0, destination_array, 0,source_array.length);

}

public static void arraycopy(double[] source_array, double[]destination_array)


source_array.length);}

public static void arraycopy(char[] source_array, char[] destination_array){

System.arraycopy(source_array, 0, destination_array, 0,source_array.length);

}

public static void arraycopy(String[] source_array, String[]destination_array)


source_array.length);}

public static void Sop(char[] ch){


13/36

System.out.print(ch);}

public static void Sopln(char[] ch){

Sop(ch);Sopln();

}

public static void exit(String s){

Sopln(s);exit();

}

public static int menu(String[] str){

for (int i = 0; i < str.length; i++)Sopln((i + 1) + ") " + str[i]);

if (str.length != 0)Sop("\nPlease enter your choice: ");

return str.length > 0 ? rInt("\nPlease enter a valid choice") : 0;}

public static int menu(String str){

return menu(str.split(" "));}

public static int menu(String str, String seperator){

return menu(str.split(seperator));}

public static void Sopln(Object obj){

System.out.println(obj);}

public static void Sop(Object obj){

System.out.print(obj);}

}}}}}}}}}}}}}}}


14/36

package PROJECT_FILES;

import java.io.*;i

public class sort{

public void main() throws IOException{

String[] line = no_of_lines.records();int min, pos, tmp1;for (int i = 0; i < line.length - 1; i++){

String tmp = "";min = Integer.parseInt(line[i].substring(0, 4));pos = i;

for (int j = i + 1; j < line.length; j++)if ((tmp1 = Integer.parseInt(line[j].substring(0, 4))) < min){

min = tmp1;pos = j;

}tmp1 = 0;tmp = line[i];line[i] = line[pos];line[pos] = tmp;

}PrintWriter pw = new PrintWriter(new

FileWriter("PROJECT_FILES/report.dat"));

for (int i = 0; i < line.length; i++)pw.println(line[i]);

pw.close();}

}}}}}}}


15/36

package PROJECT_FILES;import javax.security.auth.callback.PasswordCallback;import java.io.*;i

public class password extends read{

public static void pass(String pass) throws IOException{

PasswordCallback pc = new PasswordCallback("This file is confedential andtop secret...\nPlease enter the password to continue.\n", false);

pc.setPassword(pass.toCharArray());Sopln(pc.getPrompt());for (int i = 0; ; i++){

String tmp = br.readLine();if (tmp.equals(new String(pc.getPassword())))

return;if (i == 2)

break;

if (!tmp.equals(""))Sopln("Access Denied, please retry\n");

else Sopln("Please enter a password");}Sopln("Access Denied. Please restart the application");exit();

}

public static void validate(){

try


16/36

{Thread.sleep(1000);Sop("\nPassword is valid");for (int i = 0; i < 4; i++){

Sop(".");Thread.sleep(500);

}

}catch (InterruptedException e){}Sopln("Proceed.");

}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}

package PROJECT_FILES;import java.io.*;i

public class add extends read{private String[] order = {"english language", "english literature", "hindi","mathematics", "physics","chemistry", "biology", "geography", "history_civics", "environmental education","seventh subject"},record = null;


17/36

public add() throws IOException{

record = no_of_lines.records();}


try{

int tmp = 0, tmp3 = 0, tmp5 = 0, tmp6 = 0;String tmp1 = "";boolean tmp2 = false;double tmp4 = 0;while (!(tmp5 > 999 && tmp5 < 10000)){

if (tmp3 != 0)Sopln("Please enter a valid 4-digit perm number");

elseSopln("\nEnter Perm number (type 0 to cancel)");

tmp5 = rInt("Please enter a valid 4-digit perm number");

if (tmp5 == 0)return;

tmp3++;}{

for (int i = 0; i < record.length; i++)if (tmp5 == Integer.parseInt(record[i].substring(0, 4))){

Sopln("Record with this perm number alreadyexists!\n\nAddition Failed");

return;}

}

tmp3 = 0;while(!(tmp1.equals("A") || tmp1.equals("B") || tmp1.equals("C"))){

if (tmp3 == 0)Sopln("\nPlease enter the division");

elseSopln("Please enter a valid division (a, b or c)");

tmp1 = rString().trim().toUpperCase();tmp3++;

}switch (tmp1.charAt(0)){

case 'A' : tmp6 = 29; break;

//ENTER CORRECT NO OF STUDENTS IN EACH CLASS AT PRESENT...case 'B' : tmp6 = 29; break;case 'C' : tmp6 = 29;

}tmp3 = 0;do{

if (tmp3 == 0)Sopln("\nPlease enter the Roll number");

elseSopln("Please enter a valid roll number form 0 to " + tmp6);


18/36

tmp = rInt("Please enter a valid roll number");tmp3++;

}while (!(tmp > 0 && tmp


19/36

if (tmp3 == 0)Sopln("\nEnter seventh subject chosen (CTA, CA, FRE)");

else Sopln("Please enter the correct choice");tmp1 = (rString().trim().toUpperCase() + " a").split(" ")[0];if (tmp1.equals("COMP") || tmp1.equals("COMPUTER") ||

tmp1.equals("COMPUTERS"))tmp1 = "CTA";

else if (tmp1.equals("COMM") || tmp1.equals("COMMERCE") ||

tmp1.equals("COMMERCIAL") || tmp1.equals("COM") || tmp1.equals("COMERCE") ||tmp1.equals("COMERCIAL"))

tmp1 = "CA";else if (tmp1.equals("FRENCH") || tmp1.equals("FREN"))

tmp1 = "FRE";tmp3++;

}while (!(tmp1.equals("CTA") || tmp1.equals("CA") ||tmp1.equals("FRE")));

pw.println(tmp1);pw.close();Sopln("Addition Succesful");

}catch (IOException e) {}

new sort().main();}

}


20/36


public class no_of_lines{

public static int main() throws IOException{

try

{int ctr = 0;BufferedReader fr = new BufferedReader(new

FileReader("PROJECT_FILES/report.dat"));while (fr.readLine() != null)

ctr++;fr.close();return ctr;


return 0;}

}

public static String[] records() throws IOException{

try{

BufferedReader fr = new BufferedReader(newFileReader("PROJECT_FILES/report.dat"));

String[] rec = new String[main()];for (int i = 0; i < rec.length; i++)

rec[i] = fr.readLine();fr.close();return rec;


return new String[0];}

}}


21/36


public class change_pass extends read

{public void change_pass(char error_var, String pass) throws IOException{

String old_p = "";if (error_var == 'n'){

Sopln("Please enter old password");old_p = rString();

}Sopln("\nenter new password");String new_p1 = rString();Sopln("\nre-type new password");String new_p2 = rString();

lines(2);boolean flg = true;try{

Sop("Processing");for (int i = 0; i < 4; i++){

Thread.sleep(400);Sop('.');

}Sopln();Thread.sleep(500);if (error_var == 'n')

{if (!old_p.equals(pass)){

Sopln("Wrong Password\nAccess Denied");flg = false;

}else if (!new_p1.equals(new_p2)){

Sopln("Passwords don't match");flg = false;change_pass('y', pass);


22/36

}else if (new_p1.length() < 6){

Sopln("Password should be at least 6 characterslong");

flg = false;change_pass('y', pass);

}

}else if (error_var == 'y'){

if (!new_p1.equals(new_p2)){

Sopln("Passwords don't match");flg = false;change_pass('y', pass);

}else if (new_p1.length() < 6){

Sopln("Password should be at least 6 characterslong");

flg = false;change_pass('y', pass);

}}if (flg){

pass = new_p1;Thread.sleep(1000);Sopln("Password change successful");{

File tmp = new File("pass.passx");tmp.delete();PrintWriter pw = new PrintWriter(new

FileWriter("pass.passx"));pw.println(pass);pw.close();tmp.setReadOnly();

}}

}catch (InterruptedException e){}

}}


23/36


public class search extends read{

private student[] students = null;

public search() throws IOException{

String[] tmp = no_of_lines.records();students = new student[tmp.length];for (int i = 0; i < tmp.length; i++)

students[i] = new student(tmp[i]);

}

public void main(){

String[] menu = "Perm number--Division--Roll number--Name--Marks--SeventhSubject--Cancel".split("--");

Sopln("Search by:-");switch(menu(menu)){

case 1 : pno(); break;case 2 : cls(); break;case 3 : rno(); break;case 4 : name(); break;

case 5 : mks(); break;case 6 : sub7(); break;case 7 : return;

}Sopln("\n\nSearch completed");

}

private void pno(){

int pno = 0;for (int i = 0; !(999 < pno && pno < 9999); i++)


24/36

{if (i == 0)

Sopln("Enter the perm number of the student you wish to search (0to cancel)");

else Sopln("Please enter a valid 4 digit perm number");pno = rInt("Please enter a valid perm number");if (pno == 0)

return;

}Sopln();int i;for (i = 0; i < students.length; i++)

if (students[i].perm_no == pno)break;

if (i != students.length)students[i].display();

else Sopln("Record of a student with this perm number is not available");}

private void cls(){

String cls = "";for (int i = 0; !(cls.equals("A") || cls.equals("B") || cls.equals("C"));

i++){

if (i == 0)Sopln("Enter the division of the student you wish to search (0 to

cancel)");else Sopln("Please enter a valid division (A, B, or C)");cls = rString().trim().toUpperCase();if (cls.equals("0"))

return;}student.title();

for (int i = 0; i < students.length; i++)if (cls.equals(students[i].clas))

students[i].disp();}

private void rno(){

int rno = 0;for (int i = 0; rno < 1 || rno > 29; i++) //Heighest roll

number from all classes{

if (i == 0)Sopln("\nPlease enter the Roll number");

elseSopln("Please enter a valid roll number form 0 to " + 29);

//Heighest roll number from all classesrno = rInt("Please enter a valid roll number");i++;

}String tmp = "";int i;for (i = 0; i < students.length; i++)

if (students[i].roll_no == rno)tmp+= i + " ";


25/36

String[] tmp1 = tmp.trim().split(" ");if (tmp1.length == 0)

Sopln("No student record available");else if (tmp1.length == 1)

students[Integer.parseInt(tmp)].display();else{

student.title();

for (int j = 0; j < tmp1.length; j++)Sopln(students[Integer.parseInt(tmp1[j])].perm_no + "\t" +

students[Integer.parseInt(tmp1[j])].clas + "\t" +students[Integer.parseInt(tmp1[j])].roll_no + "\t" +students[Integer.parseInt(tmp1[j])].name);

}}

private void name(){}

private void mks()

{}

private void sub7(){

String tmp1 = "";for (int i = 0; !(tmp1.equals("CTA") || tmp1.equals("CA") ||

tmp1.equals("FRE")); i++){

if (i == 0)Sopln("\nEnter seventh subject chosen (CTA, CA, FRE)");

else Sopln("Please enter the correct choice");tmp1 = (rString().trim().toUpperCase() + " a").split(" ")[0];

if (tmp1.equals("COMP") || tmp1.equals("COMPUTER") ||tmp1.equals("COMPUTERS"))

tmp1 = "CTA";else if (tmp1.equals("COMM") || tmp1.equals("COMMERCE") ||

tmp1.equals("COMMERCIAL") || tmp1.equals("COM") || tmp1.equals("COMERCE") ||tmp1.equals("COMERCIAL"))

tmp1 = "CA";else if (tmp1.equals("FRENCH") || tmp1.equals("FREN"))

tmp1 = "FRE";}Sopln("\nStudents with seventh subject " + tmp1 + "\n");student.title();for (int i = 0; i < students.length; i++)

if (students[i].seventh_sub.equals(tmp1))students[i].disp();

}}


26/36

package PROJECT_FILES;import java.io.PrintWriter;

public class student{

public String name, clas;public double eng1, eng2, hindi, maths, phy, chem, bio, geo, hist_civ, ee,

sub7;public String seventh_sub;public int perm_no, roll_no;/* default file saving order is:-

perm_no-clas-roll_no-name-e1-e2-hin-mat-phy-che-bio-geo-h_c-ee-sub7-seventh_sub

*/

public student(){

name = null;clas = null;eng1 = eng2 = hindi = maths = phy = chem = bio = geo = hist_civ = ee =

sub7 = 0;perm_no = roll_no = 0;

}

public student(String name, String clas, double english_language, doubleenglish_literature, double hindi, double mathematics, double physics, doublechemistry, double biology, double geography, double history_civics, doubleenvironmental_education, double seventh_subject, String subject7, intpermenant_number, int roll_number)

{this.name = name;


27/36

this.clas = clas;eng1 = english_language;eng2 = english_literature;this.hindi = hindi;maths = mathematics;phy = physics;chem = chemistry;bio = biology;

geo = geography;hist_civ = history_civics;ee = environmental_education;sub7 = seventh_subject;perm_no = permenant_number;roll_no = roll_number;seventh_sub = subject7;

}

public student(String record){

String[] str = record.split("-");int i = 0;

perm_no = Integer.parseInt(str[i++]);clas = str[i++];roll_no = Integer.parseInt(str[i++]);name = str[i++];eng1 = Double.parseDouble(str[i++]);eng2 = Double.parseDouble(str[i++]);hindi = Double.parseDouble(str[i++]);maths = Double.parseDouble(str[i++]);phy = Double.parseDouble(str[i++]);chem = Double.parseDouble(str[i++]);bio = Double.parseDouble(str[i++]);geo = Double.parseDouble(str[i++]);hist_civ = Double.parseDouble(str[i++]);

ee = Double.parseDouble(str[i++]);sub7 = Double.parseDouble(str[i++]);seventh_sub = str[i];

}

public void display(){

double total = eng1 + eng2 + hindi + maths + phy + chem + bio + geo +hist_civ + ee + sub7,

percent = read.round(total / 11, 2);read.Sopln("Perm. no.\t\t" + perm_no + "\nClass\t\t\t10" + clas + "\nRoll.

no.\t\t" + roll_no + "\nName\t\t\t" + name + "\nEnglish Lang.\t\t" + eng1 +"\nEnglish Lit.\t\t" + eng2 + "\nHindi\t\t\t" + hindi + "\nMathmatics\t\t" + maths

+ "\nPhysics\t\t\t" + phy + "\nChemistry\t\t" + chem +"\nBiology\t\t\t" + bio + "\nGeography\t" + geo + "\nHistory/Civics\t" +

hist_civ + "\nEnvironmental Education\t" + ee);read.Sopln(seventh_sub + "\t\t\t" + sub7);read.Sopln("Total on 1100\t\t" + total + "\nPercentage\t\t\t" + percent +

"%");}

public void add() throws java.io.IOException{

PrintWriter pw = new PrintWriter(new


28/36

java.io.FileWriter("PROJECT_FILES/report.dat", true));pw.println(perm_no + "-" + clas + "-" + roll_no + "-" + name + "-" + eng1

+ "-" + eng2 + "-" + hindi + "-" + maths + "-" + phy + "-" + chem + "-" + bio +"-" + geo + "-" + hist_civ + "-" + ee + "-" + sub7 + "-" + seventh_sub);

pw.close();}

public void disp()

{read.Sopln(perm_no + "\t10" + clas + "\t" + roll_no + "\t" + name);

}

public static void title(){

read.Sopln("perm no\tclass\troll no\tname");}

}


public class edit extends read{

public void main(){


29/36

}}


public class delete extends read{

String[] rec = null;

public delete() throws IOException{

rec = no_of_lines.records();}


Sopln("perm_no\tclass\troll_no\tname");for (int i = 0; i < rec.length; i++){

String[] tmp = rec[i].split("-");int t = 0;Sopln(tmp[t++] + "\t" + tmp[t++] + "\t" + tmp[t++] + "\t" + tmp[t++]);

}Sopln("\nPlease enter the perm number of the student whose entry you wish


30/36

to delete (0 to cancel, 1 to delete all)");int choice = rInt("Please enter a valid choice");if (choice == 0)

return;else if (choice == 1){

Sopln("Are you sure you want to delete all? (Weird or no input will betaken as 'NO'");

String tmp = rString().trim().toUpperCase();if (tmp.equals("Y") || tmp.equals("YES") || tmp.equals("YA") ||

tmp.equals("YUP") || tmp.equals("SURE") || tmp.equals("YO")){

File f1 = new File("PROJECT_FILES/report.dat");Sopln("Delete " + (!f1.exists() || f1.delete() ? "" : "un") +

"successful");return;

}}else delete(choice);new sort().main();

}

public void delete(int perm) throws IOException{

int tmp = 0;PrintWriter pw = new PrintWriter(new

FileWriter("PROJECT_FILES/report.dat"));for (int i = 0; i < rec.length; i++)

if (perm != Integer.parseInt(rec[i].substring(0, 4))){

pw.println(rec[i]);tmp++;

}if (tmp != 0)

Sopln("Delete successful");else

Sopln("No entry with this perm number is present");pw.close();

}}


31/36

package applets;

import java.awt.*;import java.awt.event.*;import java.applet.Applet;

import javax.swing.JFrame;import javax.swing.JPanel;import javax.swing.JButton;import javax.swing.JApplet;

public class Title extends JApplet implements Runnable, MouseListener{

String banner; // The text to be displayedchar bannerChars[]; // The same text as an array of characterschar attributes[]; // Character attributes ('^' for superscript)Thread runner = null; // The thread that is displaying the textboolean threadSuspended; // True when thread suspended (via mouse click)boolean tmp = true;

static JFrame_ frame = null;static Thread tmpthread = null;JFrame frame2 = null;

static final int REGULAR_WD = 15;static final int REGULAR_HT = 36;static final int SMALL_WD = 12;static final int SMALL_HT = 24;

Font regularFont = new Font("Comic Sans MS", Font.BOLD, REGULAR_HT);Font smallFont = new Font("Comic Sans MS", Font.BOLD, SMALL_HT);

public void main()

{frame = new JFrame_("TEXT");frame.getContentPane().add(new Title());frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);exit();frame.pack();frame.setSize(500, 100);frame.show();updater();

}


32/36

public static void thread(Thread thread){

tmpthread = thread;}

public void exit(){

JButton exit = new JButton("CLOSE");exit.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {frame.dispose();frame2.dispose();tmpthread.stop();

}});JPanel panel = new JPanel();panel.add(exit);frame2 = new JFrame("CLOSE");frame2.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);frame2.add(panel);

frame2.pack();frame2.setLocation(200,200);frame2.pack();frame2.setSize(200, 75);frame2.show();frame2.setAlwaysOnTop(true);

}

private void updater(){

for (int i = 0; frame != null; i++)try{

Thread.sleep(500);frame.show();

} catch (InterruptedException e) {}}

public void init(){if (tmp)

banner = getParameter("Do not close this window");if (banner == null) {

banner = " Sharada Mandir Term 1 Report";}

int bannerLength = banner.length();StringBuffer bc = new StringBuffer(bannerLength);StringBuffer attrs = new StringBuffer(bannerLength);int wd = 0;for (int i = 0; i < bannerLength; i++) {

char c = banner.charAt(i);char a = 0;if (c == '^') {i++;if (i < bannerLength) {

c = banner.charAt(i);


33/36

a = '^';wd += SMALL_WD - REGULAR_WD;

} else {break;

}}bc.append(c);attrs.append(a);

wd += REGULAR_WD;}

bannerLength = bc.length();bannerChars = new char[bannerLength];attributes = new char[bannerLength];bc.getChars(0, bannerLength, bannerChars, 0);attrs.getChars(0, bannerLength, attributes, 0);

threadSuspended = false;resize(wd + 10, 50);addMouseListener(this);}

public void destroy() {removeMouseListener(this);

}

public void start() {runner = new Thread(this);runner.start();

}

public synchronized void stop() {runner = null;

if (threadSuspended) {

threadSuspended = false;notify();

}}

public void run() {Thread me = Thread.currentThread();while (runner == me) {

try {Thread.sleep(100);synchronized(this) {

while (threadSuspended) {wait();

}}

} catch (InterruptedException e){}repaint();

}}

public void paint(Graphics g) {

tmp = false;


34/36

init();int length;try{length = bannerChars.length;}catch (NullPointerException e){bannerChars = " Sharada Mandir Term 1 Report".toCharArray();

length = bannerChars.length;}for (int i = 0, x = 0; i < length; i++) {

int wd, ht;if (attributes[i] == '^') {wd = SMALL_WD;ht = SMALL_HT;g.setFont(smallFont);} else {wd = REGULAR_WD;ht = REGULAR_HT;g.setFont(regularFont);}

int px = (int) (10 * Math.random() + x);int py = (int) (10 * Math.random() + ht);g.drawChars(bannerChars, i, 1, px, py);

x += wd;}}

public synchronized void mousePressed(MouseEvent e) {e.consume();threadSuspended = !threadSuspended;if (!threadSuspended)

notify();}

public void mouseReleased(MouseEvent e) {}

public void mouseEntered(MouseEvent e) {}

public void mouseExited(MouseEvent e) {}

public void mouseClicked(MouseEvent e) {}

public String getAppletInfo() {return "Title: Title\nAuthor: Pratik\nDisplays a text banner that

jitters.";

}

public String[][] getParameterInfo() {String pinfo[][] = {

{"text", "string", "Text to display"},};return pinfo;

}}


35/36

package applets;

public class JFrame_ extends javax.swing.JFrame{

protected JFrame_(String name){

super(name);}

}


36/36

Remaining!!!

Delete class column!EDIT!SEARCH incomplete!see class add & search!applets in a frame in terminal window!add a sample method (Ctrl + M) and put documentation in that format!search.rno() not working!

Documents

Full Cta Proj