USING RADIO BUTTON IN JAVA NETBEANS IDE 7.3.1

        Add a Text Field and 2 Radio Button.

Then Edit the text in the jRadio Button and also in the jtextField. 

Then add Button Group in the Swing Controls CLICK and then placed it in the jFrame.

RIGHT CLICK the First Radio Button Select the Events and Action then Action Performed.

Go to the upper part find the public RadioButton and type those codes below.

In the RadioButton1 type the codes below. Type the same codes to the other jRadiobutton also.

And then try to run the program.

NOTE:

The purpose of  the Button Group it is when you click the Radio Button and then click the another only one will marked.