Full Stack Developer Course

Java Tutorials

The following program takes user input and checks if the entered number is a prime or not:

Check Number is Prime or Not in Java

Prime numbers are a fundamental concept in mathematics. As Java developers, it's essential to understand different techniques to identify them efficiently. In this tutorial, you will learn about the Java program for prime numbers using different ways.
We have covered different ways to check number is prime or not in Java, as well as print prime numbers in a given range. For instance, you can use the <a href="https://www.tutorialsfreak.com/java-tutorial/java-loops" target="_blank" rel="noopener">loops in Java</a> (for loop, while loop), and command line arguments to find the prime number.&nbsp;
So, let&rsquo;s get started and practice the prime number program in Java language.&nbsp;
Concepts to Learn for This Program:
<ul>
<li dir="ltr" aria-level="1">
<a href="https://www.tutorialsfreak.com/java-tutorial/java-conditional-statements" target="_blank" rel="noopener">Java Conditional Statements</a>
</li>
<li dir="ltr" aria-level="1">
<a href="https://www.tutorialsfreak.com/java-tutorial/java-programming-basics" target="_blank" rel="noopener">Basics of Java</a>
</li>
<li dir="ltr" aria-level="1">
<a href="https://www.tutorialsfreak.com/java-tutorial/java-compilation" target="_blank" rel="noopener">Program Compilation in Java</a>
</li>
<li dir="ltr" aria-level="1">
<a href="https://www.tutorialsfreak.com/java-tutorial/java-loops" target="_blank" rel="noopener">Java Loops</a>
</li>
<li dir="ltr" aria-level="1">
<a href="https://www.tutorialsfreak.com/java-tutorial/java-variables" target="_blank" rel="noopener">Java Variables</a>
</li>
</ul>

Prime Number Program in Java (Code to Check Prime or Not)

Here's a Java program to print prime numbers within a given range using a for loop:

Prime Numbers Program in Java Using for loop

Here's a Java program to print prime numbers within a given range using a while loop:

Prime Number Program in Java Using while loop

Here's a Java program to find all prime numbers between 1 and 100:

Java Program for Prime Number Between 1 to 100

Here's a Java program to find and print all prime numbers using command-line arguments:

Prime Number Program in Java Using Command Line Arguments

Hello World Program in Java (Print Hello World in Java)

Java Program to Add Two Numbers (Java Sum / Addition)

Find Greatest of Three Numbers in Java (Largest Number Program)

Java Program for Fibonacci Series (Using for, while, recursion, scanner)

Factorial Program in Java (Find Factorial of a Number in Java)

How to Find Sum of Digits of a Number in Java?

How to Reverse a Number in Java? Program & Examples

How to Swap Two Numbers in Java? Programs With/Without Third Variable

Even Odd Program in Java (Program to Check Number is Even or Odd)

Vowel and Consonant Program in Java

Java Program for Quadratic Equation (Find Roots With 3 Ways)

Find Frequency of Characters in a String in Java (4 Ways)

Remove Space from String in Java (Remove Whitespace)

String Null Check in Java (String is Empty or Null) - 5 Ways

How to Print String in Java? 6 Methods

How to Get ASCII Value of Char in Java? Find ASCII Value

Check prime numbers in Java with this step-by-step example. Learn how to identify prime or non-prime numbers in the Java program. Get Started Now!