AWT-Abstract Window Toolkit

 import java.awt.*;    
 import javax.swing.*;    
 class FlowLayout 
 {    
    JFrame frameObj;    
    FlowLayout1()  
    { 
        frameObj = new JFrame();      
        JButton b1 = new JButton("Circle");    
        JButton b2 = new JButton("Pie");    
        JButton b3 = new JButton("Square");    
        JButton b4 = new JButton("Rectangle");    
        JButton b5 = new JButton("Cylinder");  
        JButton b6 = new JButton("Arc");    
        JButton b7 = new JButton("Ellipse");    
        JButton b8 = new JButton("Image");        
        frameObj.add(b1); frameObj.add(b2); frameObj.add(b3); 
        frameObj.add(b4);      
        frameObj.add(b5); frameObj.add(b6);  frameObj.add(b7);  
        frameObj.add(b8);         
        frameObj.setLayout(new FlowLayout(FlowLayout.LEFT, 20, 25));    
        frameObj.setSize(300, 300);    
        frameObj.setVisible(true);    
    }    
 }
 class demo
 {
    public static void main(String argvs[])   
    {    
        new FlowLayout1();    
    }    
 }

 import java.awt.*;    
 import javax.swing.*;       
 class FlowLayout1 
 {    
    JFrame frameObj;    
    FlowLayout1()
    {    
        frameObj = new JFrame();  
        JButton b1 = new JButton("1");    
        JButton b2 = new JButton("2");    
        JButton b3 = new JButton("3");    
        JButton b4 = new JButton("4");    
        JButton b5 = new JButton("5");  
        JButton b6 = new JButton("6");    
        JButton b7 = new JButton("7");    
        JButton b8 = new JButton("8");    
        JButton b9 = new JButton("9");    
        JButton b10 = new JButton("10");      
        frameObj.add(b1); frameObj.add(b2); frameObj.add(b3); 
        frameObj.add(b4);      
        frameObj.add(b5); frameObj.add(b6);  frameObj.add(b7);  
        frameObj.add(b8);    
        frameObj.add(b9);  frameObj.add(b10);
        frameObj.setLayout(new FlowLayout());   
        frameObj.setSize(300, 300);    
        frameObj.setVisible(true);    
    }    
 }
 class demo
 {
    public static void main(String argvs[])   
    {    
        new FlowLayout1();    
    }    
 }