java awt tutorial

1import java.awt.*;
2public class Example2 {
3   Example2()
4   {
5      //Creating Frame    
6      Frame fr=new Frame();       
7      
8      //Creating a label
9      Label lb = new Label("UserId: "); 
10      
11      //adding label to the frame
12      fr.add(lb);           
13      
14      //Creating Text Field
15      TextField t = new TextField();
16      
17      //adding text field to the frame
18      fr.add(t);
19      
20      //setting frame size
21      fr.setSize(500, 300);  
22      
23      //Setting the layout for the Frame
24      fr.setLayout(new FlowLayout());
25            
26      fr.setVisible(true);                
27   }
28   public static void main(String args[])
29   {
30       Example2 ex = new Example2(); 
31   }
32}

1import java.awt.*;
2/* We have extended the Frame class here,
3 * thus our class "SimpleExample" would behave
4 * like a Frame
5 */
6public class SimpleExample extends Frame{
7    SimpleExample(){  
8        Button b=new Button("Button!!"); 
9        
10        // setting button position on screen
11        b.setBounds(50,50,50,50);  
12        
13        //adding button into frame 
14        add(b); 
15        
16        //Setting Frame width and height
17        setSize(500,300); 
18        
19        //Setting the title of Frame
20        setTitle("This is my First AWT example"); 
21        
22        //Setting the layout for the Frame
23        setLayout(new FlowLayout());
24        
25        /* By default frame is not visible so 
26         * we are setting the visibility to true 
27         * to make it visible.
28         */
29        setVisible(true);  
30    }  
31    public static void main(String args[]){  
32         // Creating the instance of Frame
33         SimpleExample fr=new SimpleExample();  
34    }
35}