Java by API/javax.swing/GroupLayout

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GroupLayout: createParallelGroup()

   <source lang="java">

import javax.swing.GroupLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class Main {

 public static void main(String[] args) {
   JFrame frame = new JFrame();
   JPanel panel = new JPanel();
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   GroupLayout layout = new GroupLayout(panel);
   panel.setLayout(layout);
   JButton buttonD = new JButton("D");
   JButton buttonR = new JButton("R");
   JButton buttonY = new JButton("Y");
   JButton buttonO = new JButton("O");
   JButton buttonT = new JButton("T");
   GroupLayout.SequentialGroup leftToRight = layout.createSequentialGroup();
   leftToRight.addComponent(buttonD);
   GroupLayout.ParallelGroup columnMiddle = layout.createParallelGroup();
   columnMiddle.addComponent(buttonR);
   columnMiddle.addComponent(buttonO);
   columnMiddle.addComponent(buttonT);
   leftToRight.addGroup(columnMiddle);
   leftToRight.addComponent(buttonY);
   GroupLayout.SequentialGroup topToBottom = layout.createSequentialGroup();
   GroupLayout.ParallelGroup rowTop = layout.createParallelGroup();
   rowTop.addComponent(buttonD);
   rowTop.addComponent(buttonR);
   rowTop.addComponent(buttonY);
   topToBottom.addGroup(rowTop);
   topToBottom.addComponent(buttonO);
   topToBottom.addComponent(buttonT);
   layout.setHorizontalGroup(leftToRight);
   layout.setVerticalGroup(topToBottom);
   frame.add(panel);
   frame.pack();
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  



GroupLayout: createSequentialGroup()

   <source lang="java">

import javax.swing.GroupLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class Main {

 public static void main(String[] args) {
   JFrame frame = new JFrame();
   JPanel panel = new JPanel();
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   GroupLayout layout = new GroupLayout(panel);
   panel.setLayout(layout);
   JButton buttonD = new JButton("D");
   JButton buttonR = new JButton("R");
   JButton buttonY = new JButton("Y");
   JButton buttonO = new JButton("O");
   JButton buttonT = new JButton("T");
   GroupLayout.SequentialGroup leftToRight = layout.createSequentialGroup();
   leftToRight.addComponent(buttonD);
   GroupLayout.ParallelGroup columnMiddle = layout.createParallelGroup();
   columnMiddle.addComponent(buttonR);
   columnMiddle.addComponent(buttonO);
   columnMiddle.addComponent(buttonT);
   leftToRight.addGroup(columnMiddle);
   leftToRight.addComponent(buttonY);
   GroupLayout.SequentialGroup topToBottom = layout.createSequentialGroup();
   GroupLayout.ParallelGroup rowTop = layout.createParallelGroup();
   rowTop.addComponent(buttonD);
   rowTop.addComponent(buttonR);
   rowTop.addComponent(buttonY);
   topToBottom.addGroup(rowTop);
   topToBottom.addComponent(buttonO);
   topToBottom.addComponent(buttonT);
   layout.setHorizontalGroup(leftToRight);
   layout.setVerticalGroup(topToBottom);
   frame.add(panel);
   frame.pack();
   frame.setVisible(true);
 }

}

 </source>
   
  
 
  



new GroupLayout(Container host)

   <source lang="java">

import javax.swing.GroupLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class Main {

 public static void main(String[] args) {
   JFrame frame = new JFrame();
   JPanel panel = new JPanel();
   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
   GroupLayout layout = new GroupLayout(panel);
   panel.setLayout(layout);
   JButton buttonD = new JButton("D");
   JButton buttonR = new JButton("R");
   JButton buttonY = new JButton("Y");
   JButton buttonO = new JButton("O");
   JButton buttonT = new JButton("T");
   GroupLayout.SequentialGroup leftToRight = layout.createSequentialGroup();
   leftToRight.addComponent(buttonD);
   GroupLayout.ParallelGroup columnMiddle = layout.createParallelGroup();
   columnMiddle.addComponent(buttonR);
   columnMiddle.addComponent(buttonO);
   columnMiddle.addComponent(buttonT);
   leftToRight.addGroup(columnMiddle);
   leftToRight.addComponent(buttonY);
   GroupLayout.SequentialGroup topToBottom = layout.createSequentialGroup();
   GroupLayout.ParallelGroup rowTop = layout.createParallelGroup();
   rowTop.addComponent(buttonD);
   rowTop.addComponent(buttonR);
   rowTop.addComponent(buttonY);
   topToBottom.addGroup(rowTop);
   topToBottom.addComponent(buttonO);
   topToBottom.addComponent(buttonT);
   layout.setHorizontalGroup(leftToRight);
   layout.setVerticalGroup(topToBottom);
   frame.add(panel);
   frame.pack();
   frame.setVisible(true);
 }

}

 </source>