Basic Simple Java Programs

Simple Java Programs for Beginners Example: If you’re looking to get into coding, learning Java is a great place to start. It’s a stable and popular programming language that can be used in many different industries. And once you know how to code in Java, it becomes easier to reuse that code for other purposes.

In this article, we will explore some of the Simple Java Programs for understanding the fundamentals of basic Java programming. Java is a versatile language that can be used for building a variety of applications. In order to code in Java, everything must be contained within a class. Once you have created your class, you can save it with a .java extension.

Coding-related questions are common in interviews, so it is beneficial to have a strong foundation in the basics of Java programming. In order to increase your coding skills or knowledge, you can check this Simple Java Program for Beginners with Examples and output.

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Basic Simple Java Programs

Basic Simple Java Programs

How to Write a Text File Using Java Selenium With Example Program?

package com.selenium.mix;
public class WriteTextFile {
   public static void main(String[] args) throws IOException 
      // TODO Auto-generated method stub
      File f=new File("G:\\Git_Base_Folder\\softwaretestingblog\\Selenium\\src\\com\\selenium\\mix\\Selenium Text");
      FileWriter fw=new FileWriter(f);
      BufferedWriter bw=new BufferedWriter(fw);
      bw.write("Welcome to My Testing Blof");

Sharing some important programs asked in SDET/automation testing interviews:

  • Reversal of String.
  • Reverse each word of a string
  • String palindrome
  • Duplicate elements in an array
  • Second largest element in an array
  • Anagram program
  • Find missing number in an array
  • Find the first repeated character in the given string
  • Easy Star pattern programs
  • Reverse string with preserving position of spaces
  • Segregate binary 0 and 1 array
  • Matrix multiplication in java
  • Swap two numbers with out using third variable
  • Armstrong number
  • Factorial program
  • Palindrome number
  • Fibonacci series
  • Prime number

How to read/parse JSON array using Java
How to read/write from Excel sheet using Java
How to read/write from a file using Java


This Java interview questions and answers tutorial will help you crack your next Java interview. We’ve covered Simple Java program questions and answers that are frequently asked by interviewers. With this guide, you’ll be ready to tackle any question thrown your way.

If you’re struggling with these java programs, please leave a comment below. In addition to this article on Simple Java Programs for Beginners, if you come across any other interview questions, please let us know in the comment section and we’ll update the article accordingly.

I love open-source technologies and am very passionate about software development. I like to share my knowledge with others, especially on technology that's why I have given all the examples as simple as possible to understand for beginners. All the code posted on my blog is developed, compiled, and tested in my development environment. If you find any mistakes or bugs, Please drop an email to, or You can join me on Linkedin.

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