This page includes the top 30+ frequently asked Java programs in interviews for beginners as well as experienced programmers.
Here are a list of 30+ most popular java interview programs with link to their solutions. I hope these programs will be helpful for you guys to prepare for the interview.
Here are a list of 30+ most popular java interview programs with link to their solutions. I hope these programs will be helpful for you guys to prepare for the interview.
30 frequently asked Java programs in interviews
- Java Program to Count Number of Duplicate Words in String
- Java Program to Count Number of Words in Given String
- Java Program to Count the Number of Occurrences of Substring in a String
- Java Program to Count the Occurrences of Each Character in String
- Java Program to Merge two String Arrays
- Java Program to Remove Duplicate Words from String
- Java Program to Reverse a String(5 ways)
- Java Program to Reverse Each Word of a String
- Java Program to Swap Two Strings
- How to Check if the String Contains only Digits
- How to Check if the String Contains only Letters
- How to Check If the String Contains Only Letters or Digits
- Java Program to Check if Input String is Palindrome
- Java Program to Find all Permutations of String
- How to Remove or Trim All White Spaces from a String in Java
- How to Remove Leading and Trailing White Space From a String in Java
- Java Program to Count Duplicate Characters in a String
- Remove Character from String in Java (Java 8)
- Java Program to Count Vowels and Consonants in a String (Java 8)
- 4 Ways to Find First Non-Repeated Character in String in Java
- Java Program to Remove Duplicate Elements in an Array
- Java Program to Find Largest Element in an Array
- Java Program to Reverse an Array Without Using Another Array
- Java Program to Check the Equality of Two Arrays
- Java Program to Check Armstrong Number
- Java program to check prime number
- Java Program to Swap Two Numbers
- Java Program to Find Factorial of a Number
- Java Program to Reverse a Number
- Java Program to Swap Two Strings Without Using Third Variable
Do suggest if you know any Java program that asked in interviews in a comment section. This will help other programmers. Cheers.
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