JAVA - Blog

2015年4月24日星期五

第八週 - 作業

鏈接：程式設計工藝大師
4*4 Button，點擊button會顯示對應的數字
程式代碼：
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(600, 200);
JPanel jplPanel = new JPanel();
int i;
int j=1;
int num1 , num2;
JButton jbnButton[] = new JButton[16];
JButton changeButton[] = new JButton[3];
jplPanel.setLayout (new GridLayout(4, 4));
for(i = 0;i<=15;i++){
jbnButton[i]=new JButton("Button"+(i+1));
jplPanel.add(jbnButton[i]);
String s = Integer.toString(i+1);
jbnButton[i].addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {
/*if(j<3){
changeButton[j] = jbnButton[i];
num1 = i;
j++;
}
else if(j==3){
changeButton[j]=jbnButton[i];
jbnButton[num1] = changeButton[j];
jbnButton[i] = changeButton[j-1];
j=1;
}*/
//j++;
//JButton btn = (JButton[i])e.getSourec();
//lab.setText(btn.getLabel+".");
System.out.println("Button"+s);
}
});
}

jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
}
}

2015年4月17日星期五

第七週 - 作業

鏈接：程式設計工藝大師

程式代碼：
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()
{
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];
for(int i=1;i<=9;i++)
{
button[i] = new JButton();
//button[i].setActionCommand(i);
button[i].addActionListener(this);
button[i].setSize(50,50);
button[i].setText(Integer.toString(i));

jplPanel.add(button[i]);
}
button[1].setActionCommand("1");
button[2].setActionCommand("2");
button[3].setActionCommand("3");
button[4].setActionCommand("4");
button[5].setActionCommand("5");
button[6].setActionCommand("6");
button[7].setActionCommand("7");
button[8].setActionCommand("8");
button[9].setActionCommand("9");

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

public void actionPerformed(ActionEvent e){
String cmd = e.getActionCommand();
if (cmd == "1"){
System.out.println(1);
}
if (cmd == "2"){
System.out.println(2);
}
if (cmd == "3"){
System.out.println(3);
}
if (cmd == "4"){
System.out.println(4);
}
if (cmd == "5"){
System.out.println(5);
}
if (cmd == "6"){
System.out.println(6);
}
if (cmd == "7"){
System.out.println(7);
}
if (cmd == "8"){
System.out.println(8);
}
if (cmd == "9"){
System.out.println(9);
}
}
}

2015年4月16日星期四

期中程式

鏈接：程式設計工藝大師
程式內容：工程計算器
程式代碼：

import java.lang.*;
import java.util.Scanner;

public class calculator {
public static void main(String args[]) {

// Java.util.Scanner
Scanner keyin = new Scanner(System.in);
double value, ans=0;
int select;
disp_men ();

//keyin nextInt()
select = keyin.nextInt();
while ( select != 7) {
System.out.println("輸入一個數值（注意三角函數範圍）＝>");

value = keyin.nextDouble();
switch(select){
case 1:
ans = Math.log(value);
System.out.printf("log(%,2f) = %.2f\n", value, ans);
break;
case 2:
ans = Math.log10(value);
System.out.printf("log10(%,2f) = %.2f\n", value, ans);
break;
case 3:
ans = Math.sqrt(value);
System.out.printf("sqrt(%,2f) = %.2f\n", value, ans);
break;
case 4:
ans = Math.sin(value);
System.out.printf("sin(%,2f) = %.2f\n", value, ans);
break;
case 5:
ans = Math.cos(value);
System.out.printf("cos(%,2f) = %.2f\n", value, ans);
break;
case 6:
ans = Math.tan(value);
System.out.printf("tan(%,2f) = %.2f\n", value, ans);
break;
default:
System.out.printf("sin(%,2f) = %.2f\n", value, ans);
}
disp_men();
select = keyin.nextInt();
}
System.out.print("== 謝謝使用 ==\n");
}
static void disp_men() {
System.out.printf("\n*** 工程計算器提供有下列功能 ***\n");
System.out.printf("(1) log 函數\t (2) log10() 函數\n");
System.out.printf("(3) sqrt 函數\t (2) sin() 函數\n");
System.out.printf("(5) cos 函數\t (2) tan() 函數\n");
System.out.printf("(7) 離開系統");
System.out.printf("請選擇輸入＝>");

}
}

2015年4月9日星期四

第六週 - 作業

來源：程式設計工藝大師
程式代碼：
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");
JButton jbnButton10 = new JButton("Button 10");

jbnButton1.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("Button 1!");
}
});
jbnButton2.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("Button 2!");
}
});
jbnButton3.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("Button 3!");
}
});
jbnButton4.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("Button 4!");
}
});
jbnButton5.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("Button 5!");
}
});
jbnButton6.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("Button 6!");
}
});
jbnButton7.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("Button 7!");
}
});
jbnButton8.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("Button 8!");
}
});
jbnButton9.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("Button 9!");
}
});
jbnButton10.addActionListener(new ActionListener(){
public void actionPerformed(ActionEvent e){
System.out.println("Button 10!");
}
});

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);
jplPanel.add(jbnButton10);
jtfMainFrame.getContentPane().add(jplPanel, BorderLayout.CENTER);
jtfMainFrame.setVisible(true);
System.out.println("chih-yu hsu");
}
}

以迴圈形式建立Button
程式代碼：
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Test extends JFrame{
public static void main(String[]args){
JFrame window=new JFrame("Calculator");
JPanel jplPanel = new JPanel();
JButton button[]=new JButton[10];
for(int i=0;i<button.length;i++){
button[i] = new JButton();
button[i].setSize(50,50);
button[i].setText(Integer.toString(i+1));
jplPanel.add(button[i]);

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

2015年3月27日星期五

第四週 - 作業

程式設計工藝大師
程式代碼：
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

class Test
{
public static void main(String[] args)
{
JButton jbnButton1, jbnButton2;
JTextField jtfInput;
JPanel jblPanel;
JFrame jtfMainFrame;

jtfMainFrame = new JFrame("Which Button Demo");
jtfMainFrame.setSize(550,150);
jbnButton1 = new JButton("Button 1");
jbnButton2= new JButton("Button 2");
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.println("123");

}

}

2015年3月19日星期四

第三週 - 作業

程式設計工藝大師
Excel - 巨集
程式代碼：
Private Sub CommandButton1_Click()
For i = 1 To 10
Cells(1, i) = i
Next i
End Sub

java
程式代碼：
class Test
{
public static void main(String[] args)
{
System.out.println("1");
System.out.println("2");
System.out.println("3");
System.out.println("4");
System.out.println("5");
System.out.println("6");
System.out.println("7");
System.out.println("8");
System.out.println("9");
System.out.println("10");
}

}

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

<script language="JavaScript">

</script>
<noscript>
Sorry, but your browser doesn't run JavaScript.
</noscript>

<h2> This line is HTML </h2>
</body>
</html>

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

<script language="JavaScript">

</script>
<noscript>
Sorry, but your browser doesn't run JavaScript.
</noscript>

<h2> This line is HTML </h2>
</body>
</html>

2015年3月12日星期四

第二週 - 作業

程式設計工藝大師
作業1

程式代碼來源：http://taiwantc.com/js/js_tut_a1.htm

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

<script language="JavaScript">

</script>
<noscript>
Sorry, but your browser doesn't run JavaScript.
</noscript>

<h2> This line is HTML </h2>
</body>
</html>

作業2
程式來源：http://docs.oracle.com/javase/tutorial/getStarted/cupojava/win32.html
程式代碼：
/**

 * 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.
    }
}

作業3
cmd代碼： ipconfig

作業4
代碼來源：http://www.hashemian.com/tools/visitor-IP.htm
代碼：

<script language="JavaScript">
VIH_BackColor = "palegreen";
VIH_ForeColor = "navy";
VIH_FontPix = "16";
VIH_DisplayFormat = "You are visiting from:<br>IP Address: %%IP%%<br>Host: %%HOST%%";
VIH_DisplayOnPage = "yes";
</script>
<script language="JavaScript" src="http://scripts.hashemian.com/js/visitorIPHOST.js.php"></script>

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2015年4月24日 星期五

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2015年4月16日 星期四

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2015年3月27日 星期五

2015年3月19日 星期四

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