連結 :程式設計工藝大師

 路徑:    程式設計工藝大師

4.27 智慧推盤4X4

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Calculator extends JFrame implements ActionListener{
public static void main(String[]args){
new Calculator();
}
public Calculator()
{
String s;
JFrame window=new JFrame("Calculator");
window.setDefaultLookAndFeelDecorated(true);
window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
window.setLayout(new GridLayout(4,4));
JPanel jplPanel = new JPanel();
jplPanel.setLayout(new GridLayout(4,4));
JButton button[]=new JButton[17];
s=String.valueOf(1);
for (int i = 1; i <= 16; i++)
{
button[i] = new JButton();
button[i].setSize(50,50);
button[i].setText(Integer.toString(i));
button[i].setActionCommand("此按鈕為:"+i);
button[i].addActionListener(this);
jplPanel.add(button[i]);
}
window.getContentPane().add(jplPanel, BorderLayout.CENTER);
window.setSize(500,500);
window.setVisible(true);
}
public void actionPerformed(ActionEvent e ) {
String cmd = e.getActionCommand();
System.out.println(cmd);
}}

4.17 智慧推盤3X3

import java.awt.*;
import java.awt.event.*;

import javax.swing.*;

public class mathew extends JFrame implements ActionListener{


public static void main(String[]args){

new mathew ();
}


public mathew ()
{
String s;
JFrame window=new JFrame("Calculator");

window.setDefaultLookAndFeelDecorated(true);


window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

window.setLayout(new GridLayout(3,3));

JPanel jplPanel = new JPanel();
jplPanel.setLayout(new GridLayout(3,3));

JButton button[]=new JButton[10];
//s=Integer.toString(1);
s=String.valueOf(1);
//System.out.println(s);
//s="1";

for (int i = 1; i <= 9; i++)
{
button[i] = new JButton();

button[i].setActionCommand("此按鈕為:"+i);
button[i].addActionListener(this);
button[i].setSize(50,50);
button[i].setText(Integer.toString(i));

jplPanel.add(button[i]);
}
window.getContentPane().add(jplPanel, BorderLayout.CENTER);
window.setSize(500,500);
window.setVisible(true);
}




public void actionPerformed(ActionEvent e) {
        String cmd = e.getActionCommand();
        System.out.println(cmd);    }

}

程式設計工藝大師

程式設計工藝大師

4.10 9 Button 按出數字

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Test
{


public static void main(String[] args)
{
JFrame jtfMainFrame = new JFrame("Which Button Demo");
jtfMainFrame.setSize(450, 150);
JButton  jbnButton1 = new JButton("Button 1");
JButton  jbnButton2 = new JButton("Button 2");
JButton  jbnButton3 = new JButton("Button 3");
JButton  jbnButton4 = new JButton("Button 4");
JButton  jbnButton5 = new JButton("Button 5");
JButton  jbnButton6 = new JButton("Button 6");
JButton  jbnButton7 = new JButton("Button 7");
JButton  jbnButton8 = new JButton("Button 8");
JButton  jbnButton9 = new JButton("Button 9");
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("1");
}
});
jbnButton2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("2");
}
});
jbnButton3.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("3");
}
});
jbnButton4.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("4");
}
});
jbnButton5.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("5");
}
});
jbnButton6.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("6");
}
});
jbnButton7.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("7");
}
});
jbnButton8.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("8");
}
});
jbnButton9.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
System.out.println("9");
}
});
JPanel jplPanel = new JPanel();
jplPanel.add(jbnButton1);
jplPanel.add(jbnButton2);
jplPanel.add(jbnButton3);
jplPanel.add(jbnButton4);
jplPanel.add(jbnButton5);
jplPanel.add(jbnButton6);
jplPanel.add(jbnButton7);
jplPanel.add(jbnButton8);
jplPanel.add(jbnButton9);
jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
System.out.println("chih-yu hsu");
}
}

4.10- 9 Button

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Test
{


public static void main(String[] args)
{
JFrame jtfMainFrame = new JFrame("Which Button Demo");
jtfMainFrame.setSize(450, 150);
JButton  jbnButton1 = new JButton("Button 1");
JButton  jbnButton2 = new JButton("Button 2");
JButton  jbnButton3 = new JButton("Button 3");
JButton  jbnButton4 = new JButton("Button 4");
JButton  jbnButton5 = new JButton("Button 5");
JButton  jbnButton6 = new JButton("Button 6");
JButton  jbnButton7 = new JButton("Button 7");
JButton  jbnButton8 = new JButton("Button 8");
JButton  jbnButton9 = new JButton("Button 9");

JPanel jplPanel = new JPanel();
jplPanel.add(jbnButton1);
jplPanel.add(jbnButton2);
jplPanel.add(jbnButton3);
jplPanel.add(jbnButton4);
jplPanel.add(jbnButton5);
jplPanel.add(jbnButton6);
jplPanel.add(jbnButton7);
jplPanel.add(jbnButton8);
jplPanel.add(jbnButton9);
jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
System.out.print("chih-yu hsu");
}
}

Button

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class mathew
{
   public static void main(String[]args)
{
  JFrame   jtfMainFrame = new JFrame("Which Button Demo");
   jtfMainFrame.setSize(450, 150);

  JButton   jbnButton1 = new JButton("Button 1");
   JButton  jbnButton2 = new JButton("Button 2");
   JTextField    jtfInput = new JTextField(20);
 

 JPanel    jplPanel = new JPanel();
jplPanel.add(jtfInput);
jplPanel.add(jbnButton1);
jplPanel.add(jbnButton2);
jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
System.out.print("林承漢");
   
 
}

}