Web Reference: Jan 22, 2026 · A basic calculator program in Java performs simple arithmetic operations such as addition, subtraction, multiplication, and division based on user input. This program demonstrates the use of Scanner, switch-case, and basic control flow. In this article, we will learn to create a basic calculator using Java. With a basic calculator, we can add, subtract, multiply, or divide two numbers. This is done using a switch case. In this program, you'll learn to make a simple calculator using switch..case in Java. This calculator would be able to add, subtract, multiply and divide two numbers.
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