learning AWT Jrame

import java.awt.*;

public class FrameTest {
    public static void main(String[] args) {
        var f = new Frame("测试窗口");
        f.setBounds(30,30,250,300);
        f.setVisible(true);

    }
}

result:

转载于:https://www.cnblogs.com/lianghong881018/p/11267943.html