Java Programs

Some of the Java Programs Topics

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Simple Java Programs

Java Program to Check Whether a Given Number is Even or Odd
Java Program to Find the Sum of Even and Odd Numbers
Java Program to Check Whether a Number is Positive or Negative
Java Program to Find the Largest Number Among Three Numbers
Java Program to Swap Two Numbers
Java Program to Find the Number of Integers Divisible by 5
Java Program to Check if Two Numbers are Equal
Java Program to Find Sum of Digits of a Number
Java Program to Find Sum of Digits of a Number using Recursion
Java Program to Extract Digits from a Given Number
Java Program to Increment by 1 to all the Digits of a Given Integer
Java Program to Perform Arithmetic Operations
Java Program to Print Binary Equivalent of an Integer using Recursion
Java Program to Print Multiplication Table
Java Program to Read a Grade and Display the Equivalent Description
Java Program to Check Whether a Character is a Vowel, Consonant or Digit
Java Program to Check Whether a Given Alphabets are Uppercase or Lowercase or Digits
Java Program to Accept the Height of a Person & Categorize as Taller, Dwarf & Average

Java Programming Examples on Numbers

Java Program to Find Prime Numbers in a Given Range
Java Program to Check Prime Number
Java Program to Check whether a Number is Prime or Not using Recursion
Java Program to Check Whether a Given Number is Perfect Number
Java Program to Check Armstrong Number
Java Program to Print Armstrong Number between 1 to 1000
Java Program to Reverse a Number
Java Program to Reverse a Number and Check if it is a Palindrome
Java Program to Reverse a Number and Find its Sum using do-while Loop
Java Program to Reverse a Number using Recursion
Java Program to Reverse a Number without using Recursion
Java Program to Print First N Natural Numbers using Recursion
Java Program to Find Sum of Natural Numbers using Recursion
Java Program to Find Sum of Natural Numbers using While Loop
Java Program to Print 1 to 10 Numbers using For Loop
Java Program to Print the First n Square Numbers
Java Program to Find the Sum of n Square Numbers
Java Program to Find the Sum of n Cube Numbers

Java Programs on Date, Time & Year

Java Program to Check Whether a given Year is a Leap Year
Java Program to Extract Last Two Digits of a Given Year
Java Program to Convert Days into Years, Months and Days

Special Java Programs

Java Program without using the Main() Function
Java Program to Print Statement without Semicolon
Java Program to Print Semicolon without using Semicolon
Java Program to Display the ATM Transaction
Java Program to Get IP Address
Java Program to Illustrate how User Authentication is Done
Java Program to Shutdown Computer in Linux

Factorial & Fibonacci Programs in Java

Java Program to Find the Factorial of a Number using Recursion
Java Program to Find the Factorial of a Number Without Recursion
Java Program to Print Fibonacci Series
Java Program to Print First 100 Fibonacci Numbers
Java Program to Implement Efficient O(log n) Fibonacci Generator

Conversion Programs in Java

Java Program to Convert Binary to Decimal
Java Program to Convert Binary to Hexadecimal
Java Program to Convert Binary to Octal
Java Program to Convert Binary to Gray Code using Recursion
Java Program to Convert Binary to Gray Code without Recursion
Java Program to Convert Octal to Binary
Java Program to Convert Octal to Decimal
Java Program to Convert Decimal to Binary, Octal and Hexadecimal
Java Program to Convert Decimal to Binary using Recursion
Java Program to Convert Hexadecimal to Binary
Java Program to Convert Hexadecimal to Decimal
Java Program to Convert Fahrenheit to Celsius

Pattern Programs in Java

Java Program to Print Diamond Pattern
Java Program to Print Floyd’s Triangle
Java Program to Print Pascal Triangle
Java Program to Print Star Pattern
Java Program to Print Pyramid Pattern
Java Program to Print the Multiplication Table in a Triangle Form

Java Programs on Data Types & Operators

Java Program to Convert Integer Values into Binary
Java Program to Convert Integer Values into Byte, Character, Float
Java Program to Convert Long Values into Byte
Java Binary Literals
Java Program to use Underscores in Numeric Literal
Java Program to Perform Arithmetic Operations
Java Program to Perform Relational Operations
Java Program to Illustrate Use of Various Boolean Operators
Java Program to Find Largest of Three Numbers using Ternary Operator
Java Program to Illustrate Use of Pre and Post Increment and Decrement Operators

Java Programming Examples on Math Functions

Java Program to Add Two Complex Numbers
Java Program to Find Power of a Number
Java Program to Implement the pow() Function
Java Program to Find Product of Two Numbers using Recursion
Java Program to Implement the sin() Function
Java Program to Implement the cos() Function
Java Program to Find the Roots of a Quadratic Equation
Java Program to Calculate Simple Interest

Java Programming Examples on Progression Series

Java Program to Find Sum of Series 1^2 + 2^2 + …. + n^2.
Java Program to Find Sum of the Series 1/1! + 2/2! + 3/3! + ……1/N!
Java Program to Find Sum of the Series 1/1!+1/2!+1/3!+…1/N!
Java Program to Find Sum of the Series 1/1+1/4+1/9+…1/N^2
Java Program to Add the nth Square Series
Java Program to Generate Harmonic Series

Java Programming Examples on Area and Volume

Java Program to Find the Area of a Circle
Java Program to Find the Area of a Triangle
Java Program to Find the Area of Parallelogram
Java Program to Find the Area of Rhombus
Java Program to Find the Area of Trapezium
Java Program to Find Volume and Surface Area of Cone
Java Program to Find Volume and Surface Area of Cuboids
Java Program to Find Volume and Surface Area of Sphere
Java Program to Find the Perimeter of a Circle, Rectangle and Triangle
Java Program to Find the Area and Perimeter of Rectangle using Class

Java Programs on GCD, LCM & HCF

Java Program to Find GCD
Java Program to Find GCD and LCM of Two Numbers
Java Program to Implement Euclid GCD Algorithm
Java Program to Find GCD of Two Numbers using Recursion
Java Program to Find GCD of Two Numbers without Recursion

Java Programming Examples on Array

Java Program to Find the Number of Elements in an Array
Java Program to Find Largest Element in an Array
Java Program to Find Second Largest and Smallest Elements in an Array
Java Program to Find Local Maxima in an Array
Java Program to Remove Duplicate Elements from Array
Java Program to Merge Two Arrays
Java Program to Find Sum and Average of All Elements in an Array
Java Program to Search Key Elements in an Array
Java Program to Count the Number of Occurrence of an Element in an Array
Java Program to Find Union and Intersection of Two Arrays

More Java Programs on Array

Java Programming Examples on Matrix

Java Program to Multiply Two Matrices
Java Program to Display Lower Triangular Matrix
Java Program to Display Upper Triangular Matrix
Java Program to Find the Sum and Product of Elements in a Row/Column
Java Program to Find Transpose of a Matrix
Java Program to Find the Determinant of a Matrix
Java Program to Find Inverse of a Matrix
Java Program to Check if a Matrix is a Sparse Matrix

More Java Programs on Matrix

Java Programs on Bitwise Operation

Java Program to Perform Bitwise Operations
Java Program to Perform Addition Operation using Bitwise Operators
Java Program to Multiply Number by 4 using Bitwise Operators
Java Program to Check if Bit Position is Set to One or not
Java Program to Convert Decimal to Binary and Count the Number of 1s
Java Program to Swap Two Numbers using Bitwise XOR Operation
Java Program to Count Set Bits using Bitwise Operations
Java Programs on Strings
Java Program to Concatenate Two Strings
Java Program to Remove All Adjacent Duplicates from String
Java Program to Reverse Each Word in a String
Java Program to Find the Largest and Smallest Word in a String
Java Program to Find the First non-repeated Character in a String
Java Program to Count the Number of Unique Words
Java Program to Check if a Given String is Palindrome

More Java Programs on Strings

Java Programming Examples on Classes

Java Program to Illustrate Use of Constructor
Java Program to Illustrates Use of Chaining Constructor
Java Program to Illustrate Use of Final Keyword
Java Program to Illustrate the Use of HashCode() Method
Java Program to Create a Method without Parameters and with Return Type
Java Program to Check Whether Which One is Executed First, Static Block or the Static Method

More Java Programs on Classes

Java Programs on Object & Method

Java Program to Count Number of Objects Created for Class
Java Program to Implement the Passing and Returning Objects
Java Program to Show the Nesting of Methods
Java Program to Calculate Sum of Two Byte Values using Type Casting
Java Program to Find Area of Square, Rectangle and Circle using Method Overloading

More Java Programming Examples on Objects & Methods

Java Programs on Inheritance

Java Program to Use This Keyword in Inheritance Class
Java Program to Use Super Keyword in Inheritance Class
Java Program to Display Method Overriding in a Class using Inheritance Class
Java Program to Access Super Class in a Method Overriding
Java Program that Show the Implementation of Interface
Java Programs on Exception & String Handling
Java Program to Handle the Exception Using Try and Multiple Catch Block
Java Program to Handle the User Defined Exception using Throw Keyword
Java Program to Illustrate Use of getChar() and split() Method
Java Program to Illustrate Use of Split() String Method
Java Program to Create and Use String Class Methods
Java Programs on Event Handling
Java Program to Close the Frame using WindowAdapter Class
Java Program to Draw a Line using GUI
Java Program to Draw a Smiling Face using Graphics Class Methods
Java Program to Display Several Dots on the Screen Continuously
Java Program to Create a Color Dialog Box to Change the Background Color of Frame
Java Program to Display a Message in a New Frame
Java Program to Display Text in the Frame by using DrawString and Inheriting JPanel Class
Java Program to Create Text Area and Password Field
Java Program to Get and Set State and Get Label of a Check Box
Java Program to Create a Menu and Menu Bar

More Java Programs on Event Handling

Java Programs on Collections

Java Program to Implement ArrayBlockingQueue API
Java Program to Implement ArrayList API
Java Program to Implement ConcurrentHashMap API
Java Program to Implement ConcurrentLinkedQueue API
Java Program to Implement EnumMap API
Java Program to Implement HashTable API
Java Program to Implement LinkedBlockingQueue API
Java Program to Implement LinkedList API
Java Program to Implement PriorityBlockingQueue API
Java Program to Implement WeakHashMap API

More Java Programs on Collection API

Java Programs on Applet

Java Program to Create a Basic Applet
Java Program to Display a Pie Chart using Frame
Java Program to Create a Transparent Cursor
Java Program to Show the use of Methods of Vector Class
Java Program to Show the use of Various Methods of URL Class
Java Program to Check Whether Antialiasing is Enabled or Not

More Java Programming Examples on Applet

Java Programming Examples on Sorting

Java Program to Implement Selection Sort
Java Program to Implement Bubble Sort
Java Program to Implement Stooge Sort Algorithm

More Java Programs on Sorting

Java Programs

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