2. Java 3. , "import java.io.*" Java I/O ( ) , BufferedReader
readLine() , System.out.println() java.io , , (binary file), ZIP ,
java.io 4. 16-1 I/O , / ( ), (stream) , , 5. java. io , , , 1. ( )
2. 3. , (input stream) (output stream) 6. ( ) (URL) , , Java , , 7.
16-2 Java java.io , 4 , 4 byte , (Byte Streams) char , (Character
Streams) 8. 16-2-1 8 byte , InputStream ( ) OutputStream ( ) ,
System.out, java.io.PrintStream , FilterOutputStream ,
FilterOutputStream OutputStream , 9. 10. 11. , ByteArrayInputStream
FileOutputStream ObjectIntputStream ObjectOutputStream, , 164 12. /
, "throws IOException", , try/catch , "throws IOException" , 13.
16-2-2 16 char , Reader Writer, InputStream OutputStream , 16
Unicode , 8 ASCII Unicode , 14. , , Reader Writer 15. 16. 17.
java.io , , Java 6.0 console ( ) , I/O , File , Stream , Reader
Writer 18. 16-3 16-3-1 16-3-2 16-3-3 16-3-4 16-3-5 (Console) 16-3-6
19. 16-3-1 , , , , 20. System , PrintStream out , , , , "dir >
test" , dir "test" ( Unix/Linux , "ls > test") 21. err , , err
out , out , err , "dir ABC > test" , ABC , dir " " , test 22.
PrintStream Java print() println() ( ), , Java , PrintStream
write() , , "A" , ASCII 65, "write(65);" 23. write() , PrintStream
Java 5.0 , printf() format() , , 16-3-4 , PrintWriter 24.
PrintStream , IOException 25. 26. 1. 8 12 print() write() a[]
print() , write() , , ASCII , ASCII 27. a[0] , ASCII 10 , ASCII 20
, a[1] a[4] 160 127 ( a ), Big-5 , , "chcp 437" , a 28. 2. 14 err
write() b ASCII 7 BEL , , , ASCII 32 , , 29. System.out System.err
, , 30. , , System.in , BufferedReader , 31. System.in InputStream
, , , , ( Unicode , ) , , System.in , InputStream read() 32. ,
IOException , System.in 33. 34. 35. 36. 1. 9 18 read() 2. 10
Character.toString() ( 17 ) 3. 13 22 Math.pow() ( 17 ) 2 N 37. , 1
read() 1 , 2 InputStream read() [Enter] 1 , 2 , read() "2" ASCII ,
50, , 38. 2 , , 2 [Enter] (Carriage Return) (Line Feed) ( 13 10), 2
, read() , , 19 39. 2 , 1 , 2 read() '5', 2 5 [Enter] , , ,
System.in, 40. System.in , System.in , (wrap) System.in , , ,
System.in 41. System.in , System.in InputStreamReader ,
BufferedReader , readLine() 42. System.in , InputStreamReader , ,
InputStreamReader , InputStreamReader [Enter] , , BufferedReader
43. System.in BufferedReader , , , , [Enter] BufferedReader Reader
, System.in InputStreamReader , BufferedReader , 44. System.in
BufferedReader readLine() , , , [Enter] 45. System.in 46. System.in
47. System.in 1. 09 InputStreamReader System.in 2. 14 while , ( 10)
3. 18 19 for 4. 24 BufferedReader 09 InputStreamReader 48.
System.in BufferedReader read() 49. 16-3-2 System.in System.out , ,
, , , 50. , FileReader/FileWriter , , , , , FileReader FileReader
InputStreamReader , read() FileReader 51. 52. 53. 54. 1. 13 ( ) ,
14 FileReader fr 2. 18 19 while fr.read() , , read() -1, 3. 21
close() FileWriter OutputStreamWriter , , , , 55. File Reader ,
OutputStreamWriter write() 56. 3 write() , , FileReader , , , 57.
58. 59. 60. 61. 1. 14 , , FileWrite ( false), new FileWrite
(filename, true) 2. 18 23 28 write() 62. 3. 19 24 write() , [Enter]
3 , , 4. 30 flush() , 31 close() 5. 33 37 FileReader , , 63. ,
FileReader/FileWriter , write() , (binary file, ), , System.in , ,
64. , BufferedReader FileReader , readLine() , BufferedWriter
FileWriter , BufferedWriter FileWriter , newLine() 65. , , , , ( ),
, 66. BufferedWriter , flush() , 67. 68. 69. 70. 71. 1. 14 15
FileWriter , BufferedWriter , , , 2. 22 28 BufferedWriter write()
72. 3. 33 / "Y", , 4. 35 36 , 5. 43 47 BufferedReader , 45 46 while
BufferedReader readLine() , null , 73. BufferedReader readLine() ,
, Reader read() BufferedReader BufferedWriter FileReader Fi
leWriter SCJP , 74. 16-3-3 , (binary file) Java , 4 Java ,
"123456", Java , , , , , 75. "123456" , , 4 "00 01 E2 40" , , ( ) ,
, 76. , , , FileInputStream FileOutputStream , , DataInputStream
DataOutputStream , , java.io DataInput DataOutput 77.
DataOutputStream DataOutput , DataOutputStream , Java ,
DataOutputStream 78. DataOutputStream 79. DataOutputStream 80.
DataOutputStream 81. DataOutputStream 82. DataOutputStream1. 1 4 1
7 , DataOutputStream 2. 30 DataOutputStream size() , "dir" 3. 31 32
83. DataOutputStream , , , , , , "1Aj? 0Agg?" 84. DataInputStream ,
DataInputStream DataInputStream DataInput , , DataInputStream , ,
writeXXX() readXXX() , 85. DataInputStream 86. DataInputStream
DataInputStream 87. DataInputStream 88. DataInputStream 89.
DataInputStream 1. 14 17 , DataIuput Stream 2. 21 29 try 3. 22 25
while() , 23 24 DataInputStream readInt() readDouble() 90.
DataInputStream 4. 27 DataInputStream skipBytes() 12 , , 5. 30
catch EOFException , 31 EOFException IOException , (End Of File,
EOF) 91. Java , C/C++ (unsigned) 16 short , "unsigned short" , 0
65535 , Java short , -32768 32767 92. Java C/C++ , DataInputStream
DataOutputStream , 93. 16-3-4 , , , Java SE 5.0 PrintStream , ,
printf() 1 , , , PrintWriter 94. ( ) , , , print() Format Specifier
( ), printf() format() , Format Specifier, Format Specifier , 95. ,
" %d %.1f " , "%d" "%.1f" Format Specifier, printf() , Format
Specifier , 96. "%d" , " %d " 1 1 , " 1 " Format Specifier % , , ,
97. 98. 1$ 2$.. . , printf("%3$d,%2$d",1,2,3) "3,2" ( 3 , 2 ) 99. ,
, , 100. 101. 1. 23 25 printf() format() , , 2. 23 "%9.0f" 9 , 9 ,
9 , 102. 3. 25 "%15.12f" 15 12 , , , 2 (152-1) 4. , printf()
format() , 25 , 'n' String format() , , String 103. 16-3-5 (Console
) (Console) java.io.Console java 6 , , System.in , Console , (catch
throws) IOException 104. (Console ) 105. (Console ) , readLine()
readPassword() , readPassword() , , [Enter] ( ), ( ), 106. (Console
) , , new , System.console() , , System.console() null, 107.
(Console ) 108. (Console ) 109. 16-3-6 java.io File , / , File 110.
111. File , a.txt , my , a.txt myb.txt ( ), , 112. 113. 1. 7 16 ( )
File , ( ) 18 File , 114. 2. 12 22 , File PirntWriter
BufferedReader, 3. 19 rename , File , Fil e , ( ) 115. , , 116.
117. 118. 119. 120. 1. 5 go() , , , 38 2. 22 dir, name ( ) File ,
switch 121. 3. 23~55 switch , , go() , 4. File ( 38 f), toString()
122. 16-4 (Serialization) Java , , , Java ObjectOutputStream
ObjectInputStream , readObject() writeObject() ( ) , ,
(Serialization) , , 123. Serializable , java.io Serializable ,
ObjectXXX , Serializable , "implements Serializable" , 124.
Serializable , ObjectOutputStream , ObjectInputStream , , , , ,
ClassNotFoundException ( ) 125. Account , "implements Serializable"
126. 127. Serializable , ObjectOutputStream , Account ,
ObjectOutputStream , Account 128. 129. 130. 1. 16 17
FileOutputStream ObjectOutputStream , AccountFile 2. 19
ObjectOutputStream writeObject() 3. 20 21 131. "Account File", ,
ObjectOutputStream , , ObjectInputStream ObjectOutputStream
writeObject() , DataInputStream writeXXX() , 132. ,
ObjectInputStream readObject() , readObject() IOException
ClassNotFoundException Checked , readObject() , 133. 134. 135. 1. 6
main() ClassNotFoundException 2. 9 10 FileInputStream
ObjectInputStream 136. 2. 11 ObjectInputStream readObject() ,
try/catch readObject() , , , try readObject() , catch EOFException
3. 12 4. 17 38 137. , , , , , (Deserialize) , 138. , , Serializable
, , java.io.NotSerializableException , transient , 139. transient ,
, , 3 bk , null, java.io.NullPointerException , private 140. 141.
catch throws 142. , defaultxxxObject() , transient ,
defaultxxxObject(), , transient 143. , Serializable , , , ( ), , ,
, Object 144. 16-A 16-B 145. 1. Place the codes into the empty box
in order to write "Java!" to the end of a.txt rather than the
beginning. 146. 2. Which statements concerning Serialization are
true? (Choose all that apply.) A. The field with static modifier
will not serialized. B. The field with volatile modifier will not
serialized. C. The field with transient modifier will not
serialized. D. An serialized object can be deserialized on a
different JVM. E. An serializable object can be serialized even if
it's superclass doesn't implements java.io.Serializable. F. An
object array can not be serialized. 147. , getName() setName() "T"
, main() "main" Thread.currentThread() 148. 3. Given: 149. What is
the result? A. Only an instance of Box object is serialized. B. An
instance of Box and An instance of Book are serialized. C.
Compilation fails. D. An java.io.NotSerializableException: Box is
thrown. E. An java.io.IOException: Box is thrown. 150. 4. Given:
151. What is the result? A. Deser:288 B. Deser:388 C. Deser:888 D.
Compilation fails. E. An exception is throws at runtime. 152. 5.
Which method exists only in one of the BufferedWriter and
FileWriter classes. A. open(); B. close(); C. write(); D.
toString(); E. newLine(); F. flush(); 153. 6. Which Place the
correct Words into the following empty boxes: 154. 7. Please drag
and drop the appropriate codes into the empty boxes : 155. 8.
Given: 156. Which code, inserted at line 10, will allow Point to
serialized and deserialized correctly. A. is.defaultReadObject();
B. x = is.readInt(); y = is.readInt(); C. y = is.readInt(); x =
is.readInt(); D. is.defaultReadObject(); x = is.readInt(); y =
is.readInt(); E. y = is.readInt(); x = is.readInt();
is.defaultReadObject(); 157. 9. Given:
