lab 1-c++ oops programs

7/26/2019 lab 1-c++ oops programs

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CLASS AND OBJECT IMPLEMENTATION

#include

#include

#include

class student{

int regno;

char name[20];

public:

void setdata(int r char !n";

void putdata("

{

cout


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IMPLEMENTATION OF FUNCTIONS WITH DEFAULT ARGUMENTS

#include

#include

void ,(int a'0 int b'0"{cout


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int main ("

{

int num;

clrscr(";

cout > num;

doublet(num";

cout


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{

clrscr(";

couta;

multi(6a";

cout


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&

comple3 operator(comple3 ob"

{

comple3 t;

t.a'aob.a;t.b'bob.b;

return(t";

&

comple3 operator=(comple3 ob"

{

comple3 t;

t.a'a=ob.a;

t.b'b=ob.b;

return(t";&

void displa("{

cout


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OUTPUT:

1nter the value o, omple3 %umbers a b

8 ?

1nter the value o, omple3 %umbers a b

2 2

nput alues

8 ?i

2 2i

+esult

5 9i

2 4i

PROGRAM TO CALCULATE PRIME NUMBER USING

CONSTRUCTOR

#include

#include

class prime{

int a@i;

public:

prime(int 3"

{a'3;

&

void calculate("

{

@');

,or(i'2;i


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else

@');

&

&

void shoC("{

i,(@'')"

cout


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#include

class cop

{

int var,act;

public:

cop(int temp"

{

var ' temp;

&

int calculate("

{

,act');

,or(int i');i


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/actorial is: )20

PROGRAM TO FIND THE MEAN VALUE OF A GIVEN NUMBER

USING FRIEND FUNCTION.

#include

#include

class base

{

int val)val2;

public:

void get("

{

coutval)>>val2;

&

,riend ,loat mean(base ob";

&;

,loat mean(base ob"

{

return ,loat(ob.val)ob.val2"A2;

&

void main("

{

clrscr(";

base ob*;

ob*.get(";

cout


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getch(";

&

OUTPUT:

1nter tCo values: )0 20

7ean alue is: )?

PROGRAM TO CALCULATE THE AREA OF CIRCLE, RECTANGLE

AND TRIANGLE USING FUNCTION OVERLOADING

#include

#include

#include

#de,ine E 4.)8

class ,n

{

public:

void area(int"; AAcirclevoid area(intint"; AArectangle

void area(,loatintint"; AAtriangle

&;

void ,n::area(int a"{cout


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,n ob*;

clrscr(";

cout>b;

ob*.area(0.?ab";brea@;

case 8:

e3it(0";

&getch(";

&

&

OUTPUT:

/unction Gverloading

). Frea o, ircle

2. Frea o, +ectangle

4. Frea o, riangle

8. 13it


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1nter Iour hoice: )

1nter the +adius o, the circle: 2

Frea o, the ircle: )2.?5

1nter Iour hoice: 2

1nter sides o, the +ectangle: ? ?

Frea o, +ectangle is: 2?

1nter Iour hoice: 4

1nter sides o, the riangle: 2 4

Frea o, riangle: 4

1nter Iour hoice: 8

PROGRAM TO SWAP THE NUMBERS USING THE CONCEPT OF

FUNCTION TEMPLATE

#include

#include

template

void sCap(t 63t 6"

{

t temp;

temp'3;3';

'temp;

&

void ,un(int aint b,loat c,loat d"

{cout


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int ab;

,loat cd;

clrscr(";

cout>c>>d;

,un(abcd";

getch(";

&

OUTPUT:

1nter F J values (integer": )0 20

1nter K values (,loat": 2.?0 )0.0

F and J be,ore sCapping: )0 20

F and J a,ter sCapping: 20 )0

and K be,ore sCapping: 2.?0 )0.0

and K a,ter sCapping: )0.0 2.?0

PROGRAM TO FIND THE MULTIPLICATION VALUES AND THE

CUBIC VALUES USING INLINE FUNCTION

#include#include

class line

{

public:

inline ,loat mul(,loat 3,loat "{

return(3!";

&

inline ,loat cube(,loat 3"

{return(3!3!3";

&

&;


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void main("

{

line ob*;

,loat val)val2;

clrscr(";

coutval)>>val2;

cout


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{

,loat bphradap,np;

public:

void get)("

{coutbp;

couthra;

coutda;

coutp,;

&

void calculate("

{

np'bphrada=p,;

&

void displa("

{

cout


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,or(i'0;i


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cin>>a>>b;

&

void operator("

{

a'a;b'b;

&

void operator==("

{

a'==a;

b'==b;

&

void displa("{

cout


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4 5i

PROGRAM FOR VIRTUAL FUNCTIONS

#include#include

class base

{

public:

virtual void shoC("

{cout


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p=>displa(";

p=>shoC(";

cout


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i,(3'')"

return(3";

else

{

,'3!rec(3=)";

return(,";&

&

OUTPUT:

1nter the number: ?

/actorial +esult are: )20

PROGRAMS USING FUNCTIONS WITH DEFAULT ARGUMENTS

#include

#include

#include

void main("

{

int 3mn;

int sN(int mint n'2";clrscr(";

coutm>>n;

3'sN(mn";

cout


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&

IMPLEMENTATION OF CALL BY VALUE, CALL BY ADDRESS

#include

#include

void sCap(intint";

void sCap(int!int!";

void main("

{

int chab;

char ch);

clrscr(";

couta>>b;

do

{

cout


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cin>>ch);

&Chile(ch)''--Rch)''-I-";

getch(";

&

void sCap(int mint n"

{

int t;

t'm;

m'n;

n't;

&

void sCap(int !mint !n"

{

int t;

t'!m;!m'!n;

!n't;

&

CLASSES WITH PRIMITIVE DATA MEMBERS

#include

#include

#includeclass emploee

{

int empnolen;

char !empname;

public:

,loat basichradap,net;

emploee(int 3char !int S"

{

len'0;

empno'3;

len'strlen(";

empname'neC char[len)];

strcp(empname";

empname';

basic'S;


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&

void displa("

{

cout


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getch(";

&

CLASSES WITH ARRAYS AS DATA MEMBERS

#include

#include

int 3; AAglobal declaration

class matri3

{

int a[?][?];

public:

void get(";

void print(";matri3 operator(matri3";

&;

matri3 matri3::operator(matri3 m2" AAusing operator overloading

{

matri3 m4;

,or(int i');i


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void main("

{

matri3 m)m2m4;

clrscr(";

cout3>>;

i,(3''"

{

cout


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&

Uconcate("

{

delete[]str);

delete[]str2;

cout


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void emploee::init("

{

name'no'add'0;

&

void emploee::clear("

{

delete name;

delete add;

delete no;

&

void emploee::setname(char const!str"

{

i,(name"

delete name;

name'neC char[strlen(str")];strcp(namestr";

&

void emploee::setno(char const!str"

{

i,(no"

delete no;

no'neC char[strlen(str")];

strcp(nostr";

&

void emploee::setadd(char const!str"

{

i,(add"

delete add;

add'neC char[strlen(str")];

strcp(addstr";

&

char const!emploee::getname("const

{

return name;&

char const!emploee::getno("const

{

return no;

&

char const!emploee::getadd("const


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{

return add;

&

void printemploee(emploee e"

{

i,(e.getname(""

cout


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getch(";

&

CLASSES WITH STATIC MEMBER FUNCTIONS

#include

#include

class test

{

private:

int code;

static int count;

public:

void setcode("{

code'count;

&

void shoCcode("

{

cout


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test::shoCcount(";

test t4;AAGb*ect creation

t4.setcode(";

test::shoCcount(";

cout>b>>c>>d;

cout


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comple3mul(abcd";

getch(";

&

void print(,loat re),loat im),loat re2,loat im2"

{

cout


32/39

class ban@

{

public:

char !cname!acno;

void displa("

{

cout>CdraC;

3[i]'CdraC;

bal='CdraC;

cout


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long int initMtot'0;

displa(";

cout


34/39

&

&

getch(";

&

VIRTUAL FUNCTION

#include

#include

class shape

{

public:

virtual void getdata("{&

virtual void displa("

{&

&;

class triangle:public shape

{

int hbs;

,loat at;

public:

void getdata("{

cout


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{

int lbar;

public:

void getdata("

{

cout


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VIRTUAL BASE CLASSES

class student

{

protected:int no;

char name[20];

public:

void getstud("

{

cin>>no>>name;

&

void putstud("

{cout


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&

void putMs("

{

cout


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vector !mMvector;

mMvector'::neC vector;

mMvector=>arra'neC int[HW1];

return mMvector;

&

void operator delete(void !vec"

{

ector !mMvect;

mMvect'(vector !" vec;

delete(int !"mMvect=>arra;

::delete vec;

&

void read(";

int sum(";

&;

oid vector::read("

{

,or(int i'0;i


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{

vector !mMvector'neC vector;

cout

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lab 1-c++ oops programs