This page has 100+ Java programs with output for beginners to practice. This list of programs is very useful for beginners to learn Java programming by practicing these Java programs.
Java Basic Programs
- Java Binary Search (Recursive and Iterative) Program
- Java Happy Birthday Program
- Java Program That Calculates the Age of a Person
- Java Logical And Or Xor Examples
- Java Format Date and Time Examples
- Java Convert String to Date and Time
- Java Convert Roman to Integer Number
- Java Convert Octal to HexaDecimal
- Java Convert Octal to Decimal
- Java Convert Integer Number to Roman Number
- Java Convert Hexadecimal to Binary
- Java Convert Decimal to Octal
- Java Convert Decimal to Binary
- Java Convert Binary to Decimal
- Java Convert Binary to an Octal
- Java Convert Binary to a Hexadecimal
- Java Convert a Unix Timestamp to Date Time
- Java Check If Two Integer Arrays are Equals
- Java program that removes all white spaces from the given string
- Java 8 program that counts the number of vowels and consonants in a given string
- Java 8 program that reverses words of a given string
- Java Program to Count Number of Digits in an Integer
- Java Program Fibonacci Series Using Recursion
- Java Program to Find Factorial of a Number
- Java program to calculate the area of the Triangle
- Java Program to Calculate Area of Square
- Java Program to Calculate Area of Rectangle
- Java Program to find the Smallest of three numbers using Ternary Operator
- Java Program to Find Largest of Three Numbers
- Java Program to Find GCD of Two Numbers
- Java Program to Check Armstrong Number
- Java Program to Generate Random Number
- Java Program to check if the Number is Positive or Negative
- Java program to check prime number
- Java Program to Calculate Simple Interest
- Java Program to Swap Two Numbers Without Using a Temporary Variable
- Java Program to Swap Two Numbers
- Java Program to Find ASCII Value of a Character
- Java Program to Check Whether an Alphabet is a Vowel or Consonant
- Java Program to check Leap Year
- Java Program to Check Even or Odd Numbers
- Java Program to Add Two Numbers
- Java Program to Swap Two Strings Without Using Third Variable
- Java Program to Swap Two Strings with Third Variable
- How to Get All Digits from String in Java
- Find Duplicate Number in an Array in Java
- How to Get a Current Working Directory in Java?
- Check Palindrome String in Java
- Java Program to Create Pyramid Of Numbers
Java Programs on Strings
- 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 Programs on Data Structure
DS Stack
- Stack Data Structure in Java
- Stack Implementation using Array in Java
- Dynamic Stack Implementation using Array in Java
- Stack Implementation using Linked List in Java
- Stack Implementation using Array List
- Generic Stack Implementation in Java
- Reverse a String using Stack Data Structure in Java
- How to Reverse a Stack in Java
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