Please visit the following link:

http://www.roseindia.net/java/java-tips/background/30java_tools/netbeans.shtml

And try the following code:

import java.awt.*;
import javax.swing.*;
class FrameExample 
{
    public static void main(String[] args) 
    {
        JFrame f=new JFrame();
        f.setLayout(null);

        JLabel lab1=new JLabel("Name");
        JLabel lab2=new JLabel("Age");

        JTextField text1=new JTextField(20);
        JTextField text2=new JTextField(20);

        lab1.setBounds(10,10,100,20);
        text1.setBounds(120,10,100,20);

        lab2.setBounds(10,40,100,20);
        text2.setBounds(120,40,100,20);

        f.add(lab1);
        f.add(text1);
        f.add(lab2);
        f.add(text2);

        f.setVisible(true);
        f.setSize(300,150);

    }
}

You can also visit the following link:

http://www.roseindia.net/java/example/java/swing/addeditanddeleteemployee_inf.shtml