二级java考试真题(1)(6)

{

int i=0 ;

public void run( ) {

while(true) {

System.out.println(\ if (i++==5) break ; } } }

3. //*********Found******** import java.__awt____.*;

import java.awt.event.*;

public class Java_3 implements ActionListener,WindowListener {

Frame f;

Button be,bw,bs,bn,bc; public void create() {

f=new Frame(\ //*********Found******** be=new Button(__East____); bw=new Button(\ bs=new Button(\ bn=new Button(\ bc=new Button(\ f.add(be,\ f.add(bw,\

//*********Found******** f.add(bs,__ \____);

f.add(bn,\ f.add(bc,\

bc.addActionListener(this); //为按钮注册监听器 f.addWindowListener(this); //为按钮注册监听器 f.setSize(200,200); f.setVisible(true); }

public static void main(String args[]) {

Java_3 fa=new Java_3(); fa.create(); }

public void actionPerformed(ActionEvent e) {

//*********Found********

__ System.exit(1)____; //关闭窗口并使程序正常结束 };

public void windowOpened(WindowEvent e){} public void windowClosing(WindowEvent e) {

//*********Found********

___ System.exit(1)_____; //关闭窗口并使程序正常结束 };

public void windowClosed(WindowEvent e){} public void windowIconified(WindowEvent e){}

public void windowDeiconified(WindowEvent e){} public void windowActivated(WindowEvent e){} public void windowDeactivated(WindowEvent e){} }

第十二套：

1．import java.io.*;

public class Java_1 {

//*********Found********

public __static____ void main(String args[]) {

//*********Found********

_final_____ double TQ_IN=66.66; //定义TQ_IN为常量

short b; int i; char c;

double d=2.66666;

b=0xA6; i=512; c='q';

System.out.println(\ System.out.println(\ System.out.println(\ System.out.println(\ System.out.println(\ } }

2. import java.io.*;

public class Java_2 {

public static void main(String[] args) {

char[] charArray = {'a','b','c','d','e','f'}; char c; try {

//*********Found******** DataOutputStream

out

=

new

DataOutputStream(new

FileOutputStream____(\

for(int i =0; i

out.writeChar(charArray[i]); }

out.close();

DataInputStream in = new DataInputStream(new FileInputStream(\ while(in.available() != 0) {

//*********Found********

_c=in.readChar()_____; System.out.print(c+\ }

System.out.println(); in.close(); }

catch(IOException e){} } }

3. import java.awt.*; import java.applet.*;

//*********Found******** public class Java_3 extends __Applet____ {

TextArea outputArea;

public void init() {

setLayout(new BorderLayout()); outputArea = new TextArea(); //*********Found******** __add____( outputArea );

// 计算0至10的阶乘

for ( long i = 0; i <= 10; i++ )

outputArea.append(i + \ }

// 用递归定义阶乘方法

public long factorial( long number ) {

if ( number <= 1 ) // 基本情况 return 1; else

return number * factorial( number - 1 ); } }

第十三套：

1．import java.io.*;

//*********Found******** public __class____ Java_1

{

public static void main(String args[]) {

final double TQ_IN=120.67;

byte b; int i;

//*********Found******** __char____ c;

double d=5.68889;

b=047; i=4096; c='9';

System.out.println(\ System.out.println(\ System.out.println(\ System.out.println(\ System.out.println(\ } }

2. public class Java_2 {

public static void main(String[] args) {

int[] anArray; // 声明一个整型数组 //*********Found********

anArray=__new int[10]____; // 创建数组,包含10个元素。

// 给数组每个元素赋值并打印输出 for (int i = 0; i < anArray.length; i++) {

//*********Found******** __ anArray[i]____=i; System.out.print(anArray[i] + \ }

System.out.println(); } }

3. import java.awt.*; import java.awt.event.*; import java.io.*;

public class Java_3 {

private Frame f;

private MenuBar mb; private Menu mFile;

private MenuItem mSave,mExit; private FileDialog fd;