Radio Buttons Calculator Java

Radio buttons are groups of buttons in which by convention only one button at a time can be selected.

Radio buttons calculator java. As its name suggests this allows you to group buttons under one name. To get the value of selected radio button a user defined function can be created that gets all the radio buttons with the name attribute and finds the radio button selected using the checked property. We use the jradiobutton class to create a radio button. Hello all i am working on an assignment which calculates different pay rates based on the selection of a radio button.

We add radio buttons in a buttongroup so that we can select only one radio button at a time. To put a radio button in a menu use the jradiobuttonmenuitem class. This is a very common program but this is suited for the beginner in javascript language. It is used in filling forms online objective papers and quiz.

Let s see the declaration for javax swing jradiobutton class. The checked property returns true if the radio button is selected and false otherwise. And it s called simple math calculator using radio button. You can see that as soon as we have clicked on the plus button the text field is cleared and label showed up at the top of our calculator.

Subtract divide and multiply buttons for our java calcualtor now that the plus button is working on our java calculator we can add buttons to subtract divide and multiply. Now we can enter the second number for our calculation. It is used to choose one option from multiple options. Simple calculator program in java using swing fig 4.

I m okay with the default one first but am unsure of how to base a different calculation on the other two radio buttons second and third. Try selecting another radio button and you ll find that you can indeed select more than one at the same time. Other ways of displaying one of many choices are combo boxes and lists. Radio button is use to select one option from multiple options.

It is widely used in exam systems or quiz. This program contains 2 textboxes where the user types for the numeric value then 4 radio button for addition subtraction multiplication and division to select the arithmetic operators. The swing release supports radio buttons with the jradiobutton and buttongroup classes. The jradiobutton class is used to create a radio button.

Now select one of the radio buttons. With our radio buttons though we only want the user to select one payment option. Just like the addition button however these buttons won t do any calculations. It should be added in buttongroup to select one radio button only.