In this article, we cover Basic Java Programs that will help you build a strong foundation and boost your confidence for technical interviews. Java is one of the most popular programming languages, and mastering its basics is essential for cracking coding interviews. If you are a beginner looking to strengthen your Java fundamentals, practicing simple Java programs is a great way to start.
Basic Java Programs
Let’s start with some simple programs to understand Java syntax and basic operations:
- Java Hello World Program
- Java Program to Add Two Numbers
- Java Program to Subtract Two Numbers
- Java Program to Multiply two Numbers
- Java Program to Check Whether a Number is Even or Odd.
- Check whether a character is a Vowel or Consonant.
- Java Program to Find Average of Two Numbers
- Java Program to Find Average of Three Numbers
- Java Program to find the Area of Square
- Java Program to Calculate Simple Interest
- Java Program to Calculate Compound Interest
Basic Logical Programs in Java
Once you are comfortable with basic syntax, you should practice logical programs to improve problem-solving skills:
- How to print a Fibonacci series up to a given number in Java?
- How to calculate the factorial of a given number in Java?
- How to check whether an integer number is a prime number or not in Java?
- How to check whether a number is a perfect number or not in Java?
- How to check whether a number is an Armstrong number or not in Java?
- How to reverse a number in Java?
- How to check whether a number is a Palindrome number or not in Java?
- How to swap two numbers without using a third variable in Java?
Basic String Manipulation Programs in Java
String-related questions are frequently asked in coding interviews. Here are some essential string programs:
- How to reverse a string without using the reverse() method in Java?
- How to check whether a String is a Palindrome or not in Java?
- How to count characters from the string in Java?
- How to check if two strings are anagrams of each other?
- How to count the occurrence of the given character in a string in Java?
- How to swap two strings without using the third variable in Java?
Searching Algorithms Programs in Java
Understanding searching algorithms is crucial for solving complex problems efficiently:
Practicing these Java programs will help you develop strong coding skills and improve your logical thinking, which is essential for Java interview preparation. Start coding today and build your confidence to crack technical interviews with ease!