In our earlier education days, we must learn addition, subtraction, division, and multiplication. We use the ‘+’ operator to add two integers. Similarly, we use the ‘+’ operator to add two numbers in Java. We say operands to these numbers because we do operations on operands. When we add two numbers, always remember that the size of the result should not extend the size of the data type.
Addition uses ‘+’ operator on two numbers
a + b
Here, a and b are two operands.
In This tutorial, we'll take a look at a number of different ways to execute addition in Java, such as using user input, command line arguments, and within methods. Some variants, like adding three numbers or N numbers, will also be covered. Let's take the plunge into Java and figure out how to add quickly and accurately using some code.
Program to Add Two Numbers in Java
This is the most easiest way to find the sum of two numbers in Java. We will initialise and declare the value in the program itself. Here the input is not taken from the user.
Example :
Explanation:
Two variables have been declared and initialized in the aforementioned program. The console stores and shows the sum of the numbers.
Real-life scenario :
Imagine you are building a shopping cart application, and you need to calculate the total price of two items selected by a customer. You can use the "Sum of Two Numbers" method to add the prices of the selected items and display the total to the customer.
Program 2 : Add Two Numbers In Java With User Input
In Java, the Scanner class is one of the classes which fetches the user input.
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