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# Java Articles

## How to Encode and Decode String With Base64 in Java

###### Tutorialsrack23/04/2022 Java

In this article, you will learn how to encode and decode strings with base64 in Java. There are various utilities that provide Base64 encoding and decoding functionality in Java.

## Java Program to Find the Factorial of a Number Using Recursion

###### Tutorialsrack06/11/2021 Java

In this Java program, you’ll learn how to find the factorial of a number using a recursion function. In this program, we used the following Java basics such as if...else conditions, and java recursion methods.

## Java Program to Find the Sum of Natural Numbers using Recursion

###### Tutorialsrack06/11/2021 Java

In this Java program, you’ll learn how to find the sum of natural numbers using recursion. In this program, we used the following Java basics such as if...else conditions, and java recursion methods.

## Java Program to Check Whether a Number can be Expressed as Sum of Two Prime Numbers

###### Tutorialsrack11/07/2021 Java

In this Java program, you’ll learn how to check whether a number can be expressed as the sum of two prime numbers. In this program, we used the following Java basics such as for loop, if...else conditions, and break statements.

## Java Program to Make a Simple Calculator Using switch..case Statement

###### Tutorialsrack11/07/2021 Java

In this Java program, you’ll learn how to make a simple calculator using a switch..case statement. This calculator would be able to perform these operations such as add, subtract, multiply and divide two numbers. In this program, we used the following Java basics such as switch..case statement.

## Java Program to Display Factors of a Number using Recursion

###### Tutorialsrack10/07/2021 Java

In this Java Program, you’ll learn how to display factors of a number using recursion. In this program, we used the following Java basics such as if..else condition.

## Java Program to Display Factors of a Number

###### Tutorialsrack10/07/2021 Java

In this Java program, you’ll learn how to display factors of a positive or negative number. In this program, we used the following java basics such as for loop, and if..else condition.

## Java Program to Display Prime Numbers Between Intervals Using Function

###### Tutorialsrack10/07/2021 Java

In this java program, you’ll learn how to display the prime numbers between two intervals such as 1 to 100 or 1 to nth using a function. In this program, we used the following java basics such as for loop, while loop, and if..else condition.

## Java Program to Display Armstrong Numbers Between Intervals Using Function

###### Tutorialsrack10/07/2021 Java

In this java program, you’ll learn how to display an Armstrong number between two intervals such as 1 to 100 or 1 to nth using a function. In this program, we used the following java basics as for loop, while loop, and if..else condition.