Java Programs – Java Programming Examples Read Discuss Courses Practice Improve Improve Improve Like Article Like Save Article Save Report issue Report Java Programming Examples: Java is one of the most popular programming languages today because of its simplicity. Java programming concepts such as control statements, arrays, strings, object-oriented programming (OOP), etc. are very important from an interview perspective as well as from exams. Whether you are a fresher preparing for job interviews or a beginner who has covered Java fundamentals and wants to practice Java concepts. then, This JAVA Programs article covers everything in an organized manner from Basic Java programs like the Fibonacci series, Prime numbers, Factorial numbers, and Palindrome numbers to advanced Java programs. Prerequisites: JAVA Java programs: Topic-Wise Java Basic Programs Java Pattern Programs Java Conversion Programs Java Classes and Object Programs Java Methods Programs Java Searching Programs Java 1-D Array Programs Java 2-D Arrays (Matrix) Programs Java String Programs Java List Programs Java Date and Time Programs Java File Programs Java Directory Programs Java Exceptions and Errors Programs Java Collections Programs Java Multithreading Programs Java More Java Programs Java Basic Programs Java Program to Read The Number From Standard Input Java Program to Get Input from the User Java Program to Multiply Two Floating-Point Numbers Java Program to Swap Two Numbers Java Program to Add Two Binary Strings Java Program to Add Two Complex Numbers Java Program to Check Even or Odd Integers Java Program to Find Largest Among 3 Numbers Java Program to Find LCM of 2 numbers Java Program to Find GCD or HCF of 2 numbers Java Program to Display All Prime Numbers from 1 to N Java Program to Check Leap Year Java Program to Check Armstrong Number between Two Integers Java Program to Check whether the input number is a Neon Number Java Program to Check whether input character is vowel or consonant Java Program to Find Factorial of a number Java Program to Find Even Sum of Fibonacci Series Till number N Java Program to Calculate Simple Interest Java Program to Calculate Compound Interest Java Program to Find the Perimeter of a Rectangle Java Pattern Programs Java Program to Print Right Triangle Star Pattern Java Program to Print Left Triangle Star Pattern Java Program to Print Pyramid Star Pattern Java Program to Print Reverse Pyramid Star Pattern Java Program to Print Upper Star Triangle Pattern Java Program to Print Mirror Upper Star Triangle Pattern Java Program to Print Downward Triangle Star Pattern Java Program to Print Mirror Lower Star Triangle Pattern Java Program to Print Star Pascal’s Triangle Java Program to Print Diamond Star Pattern Java Program to Print Square Star Pattern Java Program to Print Pyramid Star Pattern Java Program to Print Spiral Pattern of Numbers Java Conversion Programs Java Program For Binary to Octal Conversion Java Program For Octal to Decimal Conversion Java Program For Decimal to Octal Conversion Java Program For Hexadecimal to Decimal Conversion Java Program For Decimal to Hexadecimal Conversion Java Program For Decimal to Binary Conversion Java Program For Binary to Decimal Conversion Java Program For Boolean to String Conversion Java Program For String to Double Conversion Java Program For Double to String Conversion Java Program For String to Long Conversion Java Program For Long to String Conversion Java Program For Int to Char Conversion Java Program For Char to Int Conversion Java Classes and Object Programs Java Program to Create a Class and Object Java Program to Create Abstract Class Java Program to Create Singleton Class Java Program to Create an Interface Java Program to Show Encapsulation in Class Java Program to Show Inheritance in Class Java Program to Show Abstraction in Class Java Program to Show Data Hiding in Class Java Program to Show Polymorphism in Class Java Program to Show Overloading of Methods in Class Java Program to Show Overriding of Methods in Classes Java Program to Show Use of Super Keyword in Class Java Program to Show Use of This Keyword in Class Java Program to Show Usage of Static keyword in Class Java Program to Show Usage of Access Modifier Java Methods Programs Java Program to Show Usage of Main() method Java Program to Show Use of Static and Non-static Methods Java Program to Show Usage of forEach() Method Java Program to Show Usage of toString() Method Java Program to Show Usage of codePointAt() Method Java Program to Show Usage of compare() Method Java Program to Show Usage of equals() Method Java Program to Show Usage of hasNext() and next() Method Thread Lifecycle Methods start() Method run() Method Java Searching Programs Java Program For Linear Search Java Program For Binary Search Java Program to Recursively Linearly Search an Element in an Array Java 1-D Array Programs Java Program to Search an Element in an Array Java Program to Find the Largest Element in an Array Java Program to Sort an Array Java Program to Sort the Elements of an Array in Descending Order Java Program to Sort the Elements of an Array in Ascending Order Java Program to Remove Duplicate Elements From an Array Java Program to Merge Two Arrays Java Program to Check if Two Arrays Are Equal or Not Java Program to Remove All Occurrences of an Element in an Array Java Program to Find Common Array Elements Java Program to Copy All the Elements of One Array to Another Array Java Program For Array Rotation Java 2-D Arrays (Matrix) Programs Java Program to Print a 2D Array Java Program to Add Two Matrices Java Program to Sort the 2D Array Across Columns Java Program to Check Whether Two Matrices Are Equal or Not Java Program to Find the Transpose Java Program to Find the Determinant Java Program to Find the Normal and Trace Java Program to Print Boundary Elements of a Matrix Java Program to Rotate Matrix Elements Java Program to Compute the Sum of Diagonals of a Matrix Java Program to Interchange Elements of First and Last in a Matrix Across Rows Java Program to Interchange Elements of First and Last in a Matrix Across Columns Java String Programs Java Program to Get a Character From the Given String Java Program to Replace a Character at a Specific Index Java Program to Reverse a String Java Program to Reverse a String Using Stacks Java Program to Sort a String Java Program to Swapping Pair of Characters Java Program to Check Whether the Given String is Pangram Java Program to Print first letter of each word using regex Java Program to Determine the Unicode Code Point at a given index Java Program to Remove leading zeros Java Program to Compare two strings Java Program to Compare two strings lexicographically Java Program to Print even length words Java Program to Insert a string into another string Java Program to Splitting into a number of sub-strings Java List Programs Java Program to Initializing a List Java Program to Find a Sublist in a List Java Program to Get Minimum and Maximum From a List Java Program to Split a list into Two Halves Java Program to Remove a Sublist from a List Java Program to Remove Duplicates from an Array List Java Program to Remove Null from a List container Java Program to Sort Array List in an Ascending Order Java Program to Get First and Last Elements from an Array List Java Program to Convert a List of String to Comma Separated String Java Program to Add Element at First and Last Position of a Linked list Java Program to Find Common Elements in Two ArrayList Java Program to Remove Repeated Element From An ArrayList Java Date and Time Programs Java Program to Format time in AM-PM format Java Program to Display Dates of Calendar Year in Different Format Java Program to Display current date and time Java Program to Display time in different country’s format Java Program to Convert the local Time to GMT Java File Programs Java Program to Create a new file Java Program to Create a temporary file Java Program to Write into a file Java Program to Rename a file in java Java Program to Make a File Read-Only Java Program to Compare Paths of Two files Java Program to Copy one file into another file Java Program to Print all the Pattern that Matches Given Pattern From a File Java Program to Append a String in an Existing File Java Program to Read content from one file and writing it into another file Java Program to Read and printing all files from a zip file Java Directory Programs Java Program to Traverse in a directory Java Program to Get the size of a directory Java Program to Delete a Directory Java Program to Create directories recursively Java Program to Search for a file in a directory Java Program to Find the current working directory Java Program to Display all the directories in a directory Java Exceptions and Errors Programs Java Program to Show Runtime Exceptions Java Program to Show Types of Errors Java Program to Handle the Exception Hierarchies Java Program to Handle the Exception Methods Java program to Handle the Checked exceptions Java Program to Handle the Unchecked Exceptions Java Program to Handle Divide By Zero and Multiple Exceptions Java Program to Show Unreachable Code Error Java Program to Show Thread interface and memory consistency errors Java Collections Programs Java Program to Use Different Types of Collection Java Program to Print a Collection Java Program to Compare Elements in a Collection Java Program to Get the Size of the Collection Java Program to Compare Elements in a Collection Java Program to Shuffle the Elements of a Collection Java Program to Reverse a Collection Java Program to Convert Collection into Array Java Program to Convert Array into Collection Java Program to Replace Elements in a List Java Program to Rotate Elements of a List Java Program to Iterate through Elements of HashMap Java Multithreading Programs Java Program to Check the Thread Status Java Program to Suspend a thread Java Program to Join Threads Java Program to Show Daemon Thread Java More Java Programs Java Program to Print Fibonacci Series in Different Ways Java Program to Convert Linked List to an Array Java Program to Convert Vector to a List Java Program to Convert String to a List of Characters Java Program to Convert Iterator to a List Java Program to Convert List to a Map Java Program to Convert List to a Stream Java Program to Convert List to Set Java Program to Convert InputStream to String Java Program to Convert Set of String to Array of String Java Program to Convert String to Object Java Program to Convert string value to byte value Conclusion In this article, we dealt with a variety of Java programming questions categorized as basic programs, control statements, arrays, strings, oops, and much more that are frequently asked in interviews and exams. Each Java program will give you a different approach to solving a particular problem in Java. If you are new to Java programming, we highly recommend you to go through our article on Java tutorial, where we’ve covered all the basics and advanced topics of Java programming with practical examples and programs. Feeling lost in the vast world of Backend Development? It's time for a change! Join our Java Backend Development - Live Course and embark on an exciting journey to master backend development efficiently and on schedule. What We Offer: Comprehensive Course Expert Guidance for Efficient Learning Hands-on Experience with Real-world Projects Proven Track Record with 100,000+ Successful Geeks Last Updated : 05 Dec, 2023 Like Article Save Article Next How to Read and Print an Integer value in Java Please Login to comment...