passwordtext.java

来自「翁剀JAVA语言那门课程的教案 很多人都看多他的视频教程可惜没有ppt的教案」· Java 代码 · 共 23 行

//: PasswordText.java

import java.awt.*;

public class PasswordText extends java.applet.Applet {
	public void init() {
		PasswordField passwordField = new PasswordField(6);
		add(passwordField);
	}
}

class PasswordField extends TextField {
	public PasswordField() {
		this(12);
	}
	
	public PasswordField(int cols) {
		super("X",cols);
		setEchoCharacter('*');
	}
}

//	<applet code=PasswordText.class width=200 height=50></applet>