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2020年1月30日星期四

2015年4月10日星期五

4/10 按鈕反應

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.print("chih-yu hsu");
}
}

2015年3月27日星期五

3/27 簡單按鈕 JAVA

class test
{
public static void main(String[] args)
{
;
}
}

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class JButtonDemo2 {

JFrame jtfMainFrame;
JButton jbnButton1, jbnButton2;
JTextField jtfInput;
JPanel jplPanel;
public JButtonDemo2() {
jtfMainFrame = new JFrame("Frame1");
jtfMainFrame.setSize(50, 50);
jbnButton1 = new JButton("Button 1");
jbnButton2 = new JButton("Button 2");
jtfInput = new JTextField(20);
jplPanel = new JPanel();
jbnButton1.setMnemonic(KeyEvent.VK_I);
jbnButton1.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
jtfInput.setText("Hello!");
}
});
jbnButton2.setMnemonic(KeyEvent.VK_I);
jbnButton2.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
jtfInput.setText("Hey!");
}
});
jplPanel.setLayout(new FlowLayout());
jplPanel.add(jtfInput);
jplPanel.add(jbnButton1);
jplPanel.add(jbnButton2);
jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jtfMainFrame.pack();
jtfMainFrame.setVisible(true);
}
public static void main(String[] args) {
try {
UIManager.setLookAndFeel(UIManager
.getCrossPlatformLookAndFeelClassName());
} catch (Exception e) {
}
JButtonDemo2 application = new JButtonDemo2();
}
}

2015年3月19日星期四

3/20 JAVA 迴圈

----------------------------------------------------------------------------------------------------

class Test
{
public static void main(String[] args)
{
for (int i = 10; i > 0; i--) {
System.out.println(i);
}
}
}

2015年3月13日星期五

3/13 第二週

<html>
<head>
<title> The First Example: Hello, World </title>
</head>
<body>
<h2> This line is HTML </h2>

java教學

JAVA第二周

/**
 * The HelloWorldApp class implements an application that
 * simply prints "Hello World!" to standard output.
 */
class HelloWorldApp {
    public static void main(String[] args) {
        System.out.println("Hello World!"); // Display the string.
    }
}

java

import java.net.*;

public class TestInet1 {
public static void main(String argv[])
{
try {
InetAddress myip = InetAddress.getLocalHost();

System.out.println(myip.getHostName());
System.out.println(myip.getHostAddress());
} catch (UnknownHostException e) {
System.out.println("Error: unable to resolve localhost");
}
}
}

html

<html>
<head>
<title> The First Example: Hello, World </title>
</head>
<body>
<h2> This line is ID </h2>

2015年3月5日星期四

JAVA

-------------------------------------------------------------------------------------------

1.為何修這堂課:激勵人心
2.希望從這們課得到什麼知識:JAVA
3.我要如何修習這門課:上課聽課

2015年1月8日星期四

4X4亂數

using System;

using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WindowsFormsApplication12
{
public partial class Form1 : Form
{
public System.Windows.Forms.Button Button1;
public System.Windows.Forms.Button Button2;
Random rand = new Random();
Button[,] buttons = new Button[5, 5];
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
Button1 = new System.Windows.Forms.Button();
Button1.Location = new Point(300, 30);
Button1.Size = new Size(100, 30);
Button1.Click += new EventHandler(Button1_Click);
Button1.Text = "change";
this.Controls.Add(Button1);
/*Button2 = new System.Windows.Forms.Button();
Button2.Location = new Point(200, 50);
Button2.Size = new Size(100, 30);
Button2.Text = "Change";
Button2.Click += new EventHandler(Button2_Click);
this.Controls.Add(Button2);
*/
for (int j = 1; j < 5; j++)
{
for (int i = 1; i < 5; i++)
{
buttons[i, j] = new Button();
buttons[i, j].Location = new Point( i * 50, j * 50);
buttons[i, j].Size = new Size(50, 50);
this.Controls.Add(buttons[i, j]);
}
}
}
protected void Button1_Click(object sender, EventArgs e)
{
int x, y, a;
int[] myarray = { 0, 1, 2, 3, 4, 5, 6, 7, 8,9,10,11,12,13,14,15 };
for (int i = 15; i > 1; i--)
{
x = rand.Next(0, i);
y = myarray[x];
myarray[x] = myarray[i];
myarray[i] = y;
}
for (int j = 1; j < 5; j++)
{
for (int i = 1; i < 5; i++)
{
a = myarray[(j - 1) * 4 + (i - 1)];
buttons[i, j].Text = Convert.ToString(a);
this.Controls.Add(buttons[i, j]);
}
}
}
protected void Button2_Click(object sender, EventArgs e)
{

}
}
}

2020年1月30日 星期四

程式工藝大師

2015年4月10日 星期五