How to use

setBounds

method

in

java.awt.Component

this.setSize(300, 200);
this.setContentPane(getJContentPane());
this.setTitle("JFrame");
if (jContentPane == null) {
  jContentPane = new JPanel();
  jContentPane.setLayout(null);
  panel.setBounds(61, 11, 81, 140);
  panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
  jContentPane.add(panel);
  panel.add(c1);
  c1 = new JCheckBox("Check2");
  panel.add(c1);
  c1 = new JCheckBox("Check3");
  panel.add(c1);
frame.setVisible(true);
frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);

setLayout(null);        
list = new JList();
DropTarget dropTarget = new DropTarget(list, this);
jScrollPane1.setBounds(10, 150, 635, 330);
add(jScrollPane1);

 private void addComponent(Container container, Component c, int x, int y,int width, int    
height){ 

c.setBounds(x, y, width, height);
container.add(c);
}

 import java.awt.Color;
import javax.swing.JPanel;

public class NewClass1 extends javax.swing.JFrame 
{
  public NewClass1() {            
     setLayout(null);
     JPanel panel=new JPanel();
     panel.setOpaque(true);
     add(panel);
     panel.setBackground(Color.red);
     panel.setBounds(0,0,400,300);
  }    

  public static void main(String args[]) {

    java.awt.EventQueue.invokeLater(new Runnable() {
      public void run() {
        new NewClass1().setVisible(true);
      }
    });
  }
}

JFrame f = new JFrame("AnimationTest");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(this);
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
timer.start();
  JTextField field = new JTextField("test");
  Dimension d = field.getPreferredSize();
  field.setBounds(e.getX(), e.getY(), d.width, d.height);
  add(field);

 import javax.swing.JPanel;
import javax.swing.JLabel;

public class Snd extends JPanel
{
  /**
   * Create the panel.
   */
  public Snd() {
    setLayout(null);

    Calculate _cal = new Calculate();

    JLabel label = new JLabel("New label");
    label.setBounds(180, 120, 61, 16);
    add(label);
    label.setText(_cal.getNum().get(0).toString()); // problem occurs here
  }
}

 private void addComponent(Container container, Component c, int x, int y,int width, int    height) {

  c.setBounds(x, y, width, height);
  container.add(c);
}

setBorder(new LineBorder(Color.BLUE, 3));
setBackground(Color.WHITE);
setBounds(0, 0, 100, 100);
setOpaque(false);
JFrame f = new JFrame("Swing Hello World");
f.add(mc);
f.setSize(500, 500);
f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
f.setVisible(true);

panel2.setLayout(null);
label1.setBounds(10, 15, 150, 20);
panel2.add(label1);
label2.setBounds(10, 45, 300, 20);
panel2.add(label2);

 import java.awt.Dimension;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;

public class Test {

  public static void main(String... args) {
    JFrame frame = new JFrame();
    JPanel panel = new JPanel();
    for (int i = 0; i < 10; i++) {
      panel.add(new JButton("Hello-" + i));
    }
    JScrollPane scrollPane = new JScrollPane(panel);
    scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
    scrollPane.setBounds(50, 30, 300, 50);
    JPanel contentPane = new JPanel(null);
    contentPane.setPreferredSize(new Dimension(500, 400));
    contentPane.add(scrollPane);
    frame.setContentPane(contentPane);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    frame.setVisible(true);
  }
}

panel1.setLayout(new BorderLayout());
label2.setBounds(10, 55, 1600, 900);
panel1.add(label2);

layeredPane.add(imageContainer, new Integer(50));
layeredPane.add(info, new Integer(100));
this.add(layeredPane);
imageContainer.setBounds( 0, 0,  
             image.getIconWidth(),
             image.getIconHeight() ); 
info.setBounds( 200, 00,  50, 40 );
JFrame frame = new JFrame();
frame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
frame.add( new MyClass( new ImageIcon("logo.png")  ) );
frame.pack();
frame.setVisible( true );

 import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JTextField;
import java.awt.Font;

public class csView extends JPanel {
  // Declare those variables here
  String hhhhh;
  JLabel Uniqlbl;

  public csView() {
    setLayout(null);

    Uniqlbl = new JLabel("Cashier Name:");
    Uniqlbl.setFont(new Font("Tahoma", Font.PLAIN, 16));
    Uniqlbl.setBounds(227, 62, 253, 46);
    add(Uniqlbl);

  }

  // Add a setter here
  public void setHhhhh(String hhhhh) {
    this.hhhhh = hhhhh;
    // Edit: Add this line to update the Uniqlbl text
    Uniqlbl.setText(hhhhh);
  }
}

layeredPane.addMouseListener( this );
layeredPane.addMouseMotionListener( this );
getContentPane().add(layeredPane);
chessBoard.setLayout( new GridLayout(8, 8) );
chessBoard.setPreferredSize( boardSize );
chessBoard.setBounds(0, 0, boardSize.width, boardSize.height);
layeredPane.add(chessBoard, JLayeredPane.DEFAULT_LAYER);
    chessBoard.add( square );
frame.setDefaultCloseOperation( DISPOSE_ON_CLOSE );
frame.setResizable( false );
frame.pack();
frame.setLocationRelativeTo( null );
frame.setVisible(true);

 import java.awt.*;
import java.awt.event.*;
import java.applet.*;
public class ButtonDemo extends Applet implements ActionListener {


  public void init() {
    setLayout(null)
    Button yes= new Button("Yes");
    yes.setBounds(0,30,30,60);


    add(yes);
    yes.addActionListener(this);
  }


  public void actionPerformed (ActionEvent ae) {

  }
}

private static final int HEIGHT = 800;
private Random random = new Random();
private JFrame frame = new JFrame("SimplePaintSurface");
private JPanel tableaux;
    addRandom();
  frame.add(tableaux, BorderLayout.CENTER);
  JButton add = new JButton("Add");
  add.addActionListener(this);
  frame.add(add, BorderLayout.SOUTH);
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.setSize(WIDTH, HEIGHT);
  frame.setLocationRelativeTo(null);
  frame.setVisible(true);
  tableaux.requestFocusInWindow();
  letter.setBounds(random.nextInt(WIDTH), random.nextInt(HEIGHT), 16, 16);
  tableaux.add(letter);
      bounds.width = (int) stringBounds.getWidth();
      bounds.height = (int) stringBounds.getHeight();
      setBounds(bounds);
      bounds.width = (int) stringBounds.getWidth();
      bounds.height = (int) stringBounds.getHeight();
      setBounds(bounds);

 import javax.swing.*;

public class MyFrame extends JFrame {

  public MyFrame()
  {
    setBounds(100, 100, 491, 310);
    getContentPane().setLayout(null);

    JTextArea textField = new JTextArea();
    textField.setEditable(false);

    String str = "";
    for (int i = 0; i < 50; ++i)
      str += "Some text\n";
    textField.setText(str);

    JScrollPane scroll = new JScrollPane(textField);
    scroll.setBounds(10, 11, 455, 249);                     // <-- THIS

    getContentPane().add(scroll);
    setLocationRelativeTo ( null );
  }
}

JFrame frame = new JFrame();
frame.setBounds(50, 50, 700, 550);
JLabel[] userLabel = new JLabel[6];
  userLabel[p] = new JLabel();
userLabel[0].setBounds(10,35,100,50);
userLabel[1].setBounds(10,85,100,50);
userLabel[2].setBounds(10,135,100,50);
userLabel[3].setBounds(10,185,100,50);
userLabel[4].setBounds(10,235,100,50);
userLabel[0].setText("Width of Frame:");
userLabel[1].setText("Height of Frame:");
  frame.add(userLabel[p]);
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

setLayout(null);
setPreferredSize(new Dimension(200, 100));
txt1.setBounds(20, 20, 220, 20);
txt2.setBounds(20, 45, 220, 20);
txt1.setText("Text Field #1");
txt2.setText("Text Field #2");
add(txt1);
add(txt2);

 import javax.swing.*;

public class Example {

  public static void main(String[] args) {

    JFrame f = new JFrame();
    f.setLayout(null);
    f.setBounds(50,50, 400,400);
    JLabel l = new JLabel("你好吗");
    l.setBounds(10,100, 50,30);
    JTextField t = new JTextField("你好吗",20);
    t.setBounds(100,100,50,30);
    f.add(l);
    f.add(t);
    f.setVisible(true);
  }
}