import java.util.Scanner;public class EraserThreadDemo extends Thread{
private boolean active = true; public void setActive(boolean b) {
active = b;
} public boolean isTrue() {
return active;
} public void run() {
while (isTrue()) {
System.out.print("\010" + "*");
}
} public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.println("请输入密码:");
EraserThreadDemo etd = new EraserThreadDemo();
etd.start();
in.next();
etd.setActive(false);
}
}程序想屏蔽你输入的内容,输入换行后程序运行就会结束。另外:“\010”这个八进制数是什么意思呢?
仅仅是猜测哈