import java.awt.event.*;
import java.awt.*;
import javax.swing.*;
import java.lang.*;public class Dazi1 extends KeyAdapter {
static int j = (int) (Math.random() * 1000) % 26;
static JFrame f = new JFrame("Heart欢迎您进入打字练习板块:");
static String str[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J",
"K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W",
"X", "Y", "Z" };
static JButton b[] = new JButton[str.length]; public Dazi1() { f.setSize(600, 600);
f.setLocation(50, 50);
f.getContentPane().setLayout(new GridLayout(6, 6));
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
initButtons();
}
public void initButtons(){
for (int i = 0; i < 26; i++) {
b[i] = new JButton(str[i]);
f.getContentPane().add(b[i]);
}
j = (int) (Math.random() * 1000) % 26;
f.setVisible(true);
b[j].setBackground(new Color(255,0,255));
b[j].addKeyListener(this);
b[j].requestFocus();
} public void loop() {
for (int i = 0; i < 26; i++) {
b[i].setVisible(true);
}
System.out.println(str[j]);
b[j].setBackground(new Color(255,0,255)); // 增加一个颜色
b[j].addKeyListener(this);
b[j].requestFocus();
} public void keyPressed(KeyEvent e) { if (e.getKeyCode() == j + 65) {
b[j].setVisible(false);
b[j].setBackground(null); // 恢复原始颜色
System.out.println("Right!");
j = (int) (Math.random() * 1000) % 26;
loop();
} else
System.out.println("Error!");
} public static void main(String[] args) {
Dazi1 d = new Dazi1();
}
}
想在程序运行三分钟的时候 ,显示正确击键多少此,没有学过线程,timer之类的,请问应该怎么办啊?
是不是要用线程之类的啊?给谢谢代码,我下来研究研究
import java.awt.*;
import javax.swing.*;
import java.lang.*;public class Dazi1 extends KeyAdapter {
static int j = (int) (Math.random() * 1000) % 26;
static JFrame f = new JFrame("Heart欢迎您进入打字练习板块:");
static String str[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J",
"K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W",
"X", "Y", "Z" };
static JButton b[] = new JButton[str.length]; public Dazi1() { f.setSize(600, 600);
f.setLocation(50, 50);
f.getContentPane().setLayout(new GridLayout(6, 6));
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
initButtons();
}
public void initButtons(){
for (int i = 0; i < 26; i++) {
b[i] = new JButton(str[i]);
f.getContentPane().add(b[i]);
}
j = (int) (Math.random() * 1000) % 26;
f.setVisible(true);
b[j].setBackground(new Color(255,0,255));
b[j].addKeyListener(this);
b[j].requestFocus();
} public void loop() {
for (int i = 0; i < 26; i++) {
b[i].setVisible(true);
}
System.out.println(str[j]);
b[j].setBackground(new Color(255,0,255)); // 增加一个颜色
b[j].addKeyListener(this);
b[j].requestFocus();
} public void keyPressed(KeyEvent e) { if (e.getKeyCode() == j + 65) {
b[j].setVisible(false);
b[j].setBackground(null); // 恢复原始颜色
System.out.println("Right!");
j = (int) (Math.random() * 1000) % 26;
loop();
} else
System.out.println("Error!");
} public static void main(String[] args) {
Dazi1 d = new Dazi1();
}
}
想在程序运行三分钟的时候 ,显示正确击键多少此,没有学过线程,timer之类的,请问应该怎么办啊?
是不是要用线程之类的啊?给谢谢代码,我下来研究研究
解决方案 »
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