Java Program For Calculator Application

Create a blank java project and name it java calculator. The calculator has a simple gui and performs simple arithmetic operations. Java program for armstrong number.

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To make a simple calculator in java programming which performs the basic four mathematical operations i e addition subtraction multiplication and division use the switch case to identify the input operator to perform required calculation and then display the result on the screen as shown in the following program.

Java program for calculator application. Add subtract multiple and divide and then display the output on the console. Java program to print numbers from 1 to 10 in a triangle shape. Simple calculator program in java using swing fig 3. Calculator in java with source code see the example of calculator in java swing tutorial with example of jbutton jradiobutton jtextfield jtextarea jlist jcolorchooser classes that are found in javax swing package.

More codes from author. In this article we will use java swing components to create a simple calculator with only operations. The screen shot of the calculator is placed below. Simple calculator program in java using swing fig 4.

Here we have a java gui calculator source code for you in which a java gui calculator has been created using swing and awt. 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. To add a jframe right click the project name in the project window. Uncheck the main class option from the project tab.

The application makes use of a maths class which contains four functions that perform four mathematical operations and return the result to the calling function. The following code example is a simple calculator application in java that takes input from a user through console along with one of the four mathematical operations i e. You can get it here. Your first java program.

Java gui calculator source code. From the new application tab enter the project name and unselect the main class from it. Java program to convert decimal numbers to binary digits. Java calculator step 1.

Add a jframe form to the application right click on the name of the application in the projects tab by the left of the window and choose new jframe form. Java swing is an api for providing graphical user interface elements to java programs swing was created to provide more powerful and flexible components than java awt abstract window toolkit. Now we can enter the second number for our calculation. Java program to print numbers as pyramid.

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