谁知道程序从jdk1.2移到jdk1.4要注意那些地方

Question

包名是不一样的,比如以前的com.sun.java现在改为javax.swing等等

Answer 1

并且JDK1.4比JDK1.2增加了很多实用的功能

Answer 2

应该不会吧，应该是向下兼容的啊，把那个小游戏拿来看看？
或许还要装JRE等别的才能执行的啊。

Answer 3

是Wu Qiang写的俄罗斯方块
主程序代码如下：import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.Random;
public class Teris extends JFrame {
//constructor
public Teris() {
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
dispose();
System.exit(0);
}
});
} public void init()
{
//Add menus
TheMenuListener tml = new TheMenuListener(); ...........
gameNewItem.addActionListener(tml);
gamePauseItem.addActionListener(tml);
gameResumeItem.addActionListener(tml);
gameExitItem.addActionListener(tml); ...........
optionImageItem.addActionListener(tml);
optionSpeedItem.addActionListener(tml);
//Set mnemonic key
............. //Set panel compoents' position
............. //Control buttons
.......... //initialize the background value of terisContainer
// 10 * 20 need bounds, so 12 * 22 required
....... //initialize current teris shape
...........
//initialize select image dialog for later use
........... //capture key input
addKeyListener(new UserKeyInputAction()); //control clock
......... //show me
.........
} private void changeImage(int img)
{
...........
} public void removeLayers()
{
..............
}
public void restartGame()
{
...............
} public static void main(String args[]) {            //the main())()Main@@@@@@@@@
Teris mainFrame = new Teris();
mainFrame.init();
} class UserKeyInputAction implements KeyListener
{
public void keyPressed(KeyEvent e)
{
int key = e.getKeyCode();
switch(key){
case KeyEvent.VK_UP:
currentShape.rotateRight();
break;
case KeyEvent.VK_DOWN:
currentShape.dropDown();
break;
case KeyEvent.VK_LEFT:
currentShape.moveLeft();
break;
case KeyEvent.VK_RIGHT:
currentShape.moveRight();
break;
case KeyEvent.VK_ESCAPE:
break;
case KeyEvent.VK_Z:
currentShape.rotateLeft();
break;
case KeyEvent.VK_X:
currentShape.rotateRight();
break; }
}
public void keyReleased(KeyEvent e)
{}
public void keyTyped(KeyEvent e)
{}
}
class TheMenuListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{                                                     //找到了Timer类, stop()
timer.stop();
if(e.getSource() == gameNewItem || e.getSource() == gameNewButton){
pauseScreenPanel.setVisible(false);
terisContainer.setVisible(true);
controlPanel.setVisible(true);
bulletinBoard.setVisible(true);
optionMenu.setEnabled(true);
gamePauseItem.setEnabled(true);
gameResumeItem.setEnabled(false);
restartGame();
gameStatus = GAME_RUNNING;
timer.start();
}else if(e.getSource() == gamePauseItem || e.getSource() == gamePauseButton){
terisContainer.setVisible(false);
controlPanel.setVisible(false);
bulletinBoard.setVisible(false);
pauseScreenPanel.setVisible(true);
optionMenu.setEnabled(false);
gamePauseItem.setEnabled(false);
gameResumeItem.setEnabled(true);
}else if(e.getSource() == gameResumeItem){
pauseScreenPanel.setVisible(false);
terisContainer.setVisible(true);
controlPanel.setVisible(true);
bulletinBoard.setVisible(true);
optionMenu.setEnabled(true);
gamePauseItem.setEnabled(true);
gameResumeItem.setEnabled(false);
timer.start();
}else if(e.getSource() == gameExitItem || e.getSource() == gameExitButton){
System.exit(0);
}else if(e.getSource() == optionImageItem || e.getSource() == optionImageButton){
selectImageDialog.show();
if(selectImageDialog.ok)
currentShape.changeImage(selectImageDialog.result);
newShape.changeImage(selectImageDialog.result);
changeImage(selectImageDialog.result);
timer.start();                                    //用到了Timer类
}else if(e.getSource() == optionSpeedItem || e.getSource() == optionSpeedButton){
selectSpeedDialog.show();
if(selectSpeedDialog.ok){
timer.setDelay(selectSpeedDialog.result*100);    // Timer 的Delay函数
currentSpeed = selectSpeedDialog.result;
currentSpeedLabel.setText("Speed : " + currentSpeed);
}
timer.start();                 //Timer
}
}
}
class TimerListener implements ActionListener
{
public void actionPerformed(ActionEvent e)
{
if(gameStatus != GAME_RUNNING)
return;
if(currentShape.waitingForFix)
currentShape.fixMe();
else
currentShape.dropDown();
}
} public TerisShape currentShape, newShape;
public boolean [][]terisContainerData;
public JLabel [][]terisContainerLabel;
//Dialogs
........... //Game status
.............. //Three main panels
.............. //Game speed control
.............. //Menus
............... //Control panel
............... String urlImage = "Images\\";
//String urlImage = "d:\\Daniel Woo\\Teris\\Images\\";