JAVA语言程序设计 第三章作业

output1.setText(resultValue[0]);
output2.setText(resultValue[1]);
}
else{
dispose();
System.exit(0);
}
}
System.out.println("min is: "+ch[ch.length-2]);
InputDemo id=new InputDemo(ch[ch.length-2]);
}
}
input=new Button("计算");
output=new TextField(20);
output1=new TextField(20);
output2=new TextField(20);
btn=new Button("关闭");
上面的示例程序中的错误主要在于拼写，如：点及分号应该用西文的；printIn中的大写字母I应改为小写字母l；另外，main()方法应该带参数，改为：
public static void main(String [] argvs)
2:
（1）2 //取余运算
（2）1 //表达式的结果为3，非0为真
public class InputDemo {
char char1
public InputDemo(char char1) {
this.char1=char1;
JFrame g=new JFrame("输出字框");
Container con=g.getContentPane();
char c;
String str="",strtemp;
System.out.println("请输入字母（分隔用会车）");
do{
c=(char)br.read();
strtemp=br.readLine();//去掉多余的输入
str+=c;
}while(c!='#');
this.char1=char1;
JFrame g=new JFrame("输出字框");
Container con=g.getContentPane();
Label h=new Label(char1);
con.add(h);
g.setLayout(new FlowLayout());
{
public static void main(String args[])
{
new FrameInOut();
}
}
class FrameInOut extends Frame implements ActionListener
{
Label prompt());
add(prompt);
add(input);
add(output);
add(output1);
add(output2);
add(btn);
int max = Integer.MIN_VALUE;
int min = Integer.MAX_VALUE;
for (int i = 0; i < 10; i++)
{
int j = in.nextInt();
if (max < j) max = j;
if (min > j) min = j;
g.addWindowListener(new WindowAdapter()
{public void windowClosing(WindowEvent e)
{System.exit(0);}});
}
public static void main(String[] args) throws IOException {
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
char c;
String str="",strtemp;
System.out.println("请输入字母（分隔用会车）");
do{
c=(char)br.read();
{System.exit(0);}});
}
public static void main(String[] args) throws IOException {
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
strtemp=br.readLine();//去掉多余的输入
str+=c;
}while(c!='#');
char[] ch=str.toCharArray();
for(int i=0;i<ch.length;i++)//比较逆序
for(int j=i+1;j<ch.length;j++){
TextField output,output1,output2;
Button btn,input;
FrameInOut()
{
super("图形界面的Java Application程序员");
prompt =new Label("请输入一个浮点数:");
}
}import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class InputDemo {
char char1
public InputDemo(char char1) {
Label h=new Label(char1);
con.add(h);
g.setLayout(new FlowLayout());
g.setSize(500,200);
h.setLocation(20,100);
h.setVisible(true);
g.setVisible(true);
char[] ch=str.toCharArray();
for(int i=0;i<ch.length;i++)//比较逆序
for(int j=i+1;j<ch.length;j++){
if(ch[i]<ch[j]){
char temp=ch[i];
ch[i]=ch[j];
ch[j]=temp;
}
System.out.println("最大值为" + max);
System.out.println("最小值为" + min);
}
}
5:import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
（3）1 //按位异或运算，相应位相同结果为0，否则为1
（4）1 //2<3,表达式为真
3:
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class TestInOut
{
if(e.getSource()==input){
String a=null;
a=output.getText();
String[] resultValue=a.split("\\.");//注意split方法的转意方式，默认的事逗号
g.setSize(500,200);
h.setLocation(20,100);
h.setVisible(true);
g.setVisible(true);
g.addWindowListener(new WindowAdapter()
{public void windowClosing(WindowEvent e)
if(ch[i]<ch[j]){
char temp=ch[i];
ch[i]=ch[j];
ch[j]=temp;
}
}
System.out.println("min is: "+ch[ch.length-2]);
InputDemo id=new InputDemo(ch[ch.length-2]);
input.addActionListener(this);
btn.addActionListener(this);
setSize(300,200);
setVisible(true);
}
public void actionPerformed(ActionEvent e)
}
}
}
4:import java.util.*;
public class A
{
public static void main(String[] args)