java布局管理器主要包括，java gridout_java 布局管理器GridLayout

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這個基本上不可能，除非你在界面未顯示之前就直接打印32313133353236313431303231363533e78988e69d8331333335313138了import?java.awt.Color;

import?java.awt.GridLayout;

java布局管理器主要包括。import?java.awt.event.ActionEvent;

import?java.awt.event.ActionListener;

import?javax.swing.JButton;

import?javax.swing.JFrame;

Java布局管理器關閉。import?javax.swing.JPanel;

public?class?DrawText??extends?JPanel{

JButton?jb1,jb2,jb3;

public?DrawText(){

javaoutofstack和，this.setLayout(new?GridLayout(2,0,10,10));

jb1?=?new?JButton("1");

jb2?=?new?JButton("2");

jb3?=?new?JButton("3");

java swing框架，this.add(jb1);

this.add(jb2);

this.add(jb3);

ActionListener?l?=?new?LocationAction();

java callable接口和runnable，jb1.addActionListener(l);

jb2.addActionListener(l);

jb3.addActionListener(l);

}

javasoft，class?LocationAction?implements?ActionListener{

@Override

public?void?actionPerformed(ActionEvent?e)?{

if(e.getSource()?==?jb1){

java hashtable。System.out.println(jb1.getLocation());

}

if(e.getSource()?==?jb2){

System.out.println(jb2.getLocation());

java覆蓋。}

if(e.getSource()?==?jb3){

System.out.println(jb3.getLocation());

}

java applet？}

}

public?static?void?main(String[]?args)?{

JFrame?f?=?new?JFrame();

f.setDefaultCloseOperation(3);

JPanel?panel??=?new?DrawText();

panel.setBackground(Color.cyan);

f.add(panel);

f.setSize(400,?300);

f.setVisible(true);

}

}