Top 20 Java Programs
Hello World Program in Java
Java Programs
public class HelloWorld { public static void main(String[] args) { System.out.println(“Hello World!”); } } Output: Hello World!
Variables Initialization Programs Program in Java
Java Programs
public class VariablesInitialization { public static void main(String[] args) { // TODO code application logic here boolean flag=true; System.out.println(flag); System.out.println(“Flag=”+flag); […]
Operators Program in Java
Java Programs
public class JavaOperators { public static void main(String args[]) { System.out.println(“Example 1:——————————-“); //Java Unary Operator Example: ++ and — int […]
Fahrenheit to Celsius Program in Java
Java Programs
°C = (°F – 32) / (9/5) import java.util.Scanner; public class JavaFarenheitToCelsius { public static void main(String[] args) { float […]
Marks Average Program in Java
Java Programs
import java.util.Scanner; public class JavaMarksAverage { public static void main(String[] args) { int math,english,science,art,computer,total,percent; Scanner sc=new Scanner(System.in); System.out.println(“Enter marks out […]
Simple Interest Program in Java
Java Programs
Simple Interest = (Princple * Rate * Time)/100 import java.util.Scanner; public class JavaSimpleInterest { public static void main(String[] args) { […]
Find Area Circle Program in Java
Java Programs
Area of Circle = (22/7) X radius x radius import java.util.Scanner; public class JavaFindAreaCircle { public static void main(String[] args) […]
Find Area of Rectangle Program in Java
Java Programs
Area of Rectangle= Length X Breadth import java.util.Scanner; public class JavaFindAreaRectangle { public static void main(String[] args) { int l,b,area; […]
Swapping Program in Java
Java Programs
public class JavaSwap { public static void main(String[] args) { int a=10, b=20, temp; System.out.println(“Before swapping”); System.out.println(“value of a=”+a); System.out.println(“value […]
Swapping with Two Variables Program in Java
Java Programs
public class JavaSwapWithTwoVars { public static void main(String[] args) { int a=10, b=20; System.out.println(“Before swapping”); System.out.println(“value of a=”+a); System.out.println(“value of […]
Increment Decrement Operators Program in Java
Java Programs
public class JavaIncrementDecrementOperator { public static void main(String[] args) { int i=10,j=10,num=0; System.out.println(“i=”+i); System.out.println(“j=”+j); System.out.println(“num=”+num); System.out.println(“—————————————“); i++; j–; System.out.println(“i=”+i); System.out.println(“j=”+j); […]
Duplicate Words in String Program in Java
Java Programs
public class DuplicateWord { public static void main(String[] args) { String string = “Big black bug bit big bug black […]
Digit to Word Program in Java
Java Programs
import java.util.Scanner; public class DigitToWord { public static void main(String[] args) { // TODO code application logic here int r, […]
Binary Search Program in Java
Java Programs
import java.util.*; public class BinarySearch { public static void main(String[] args) { int n, lb, ub, mid, pos = -1; […]
Equal Number Program in Java
Java Programs
import java.util.Scanner; public class EqualNumber { public static void main(String[] args) { int n; Scanner sc = new Scanner(System.in); System.out.print(“Enter […]
Even Odd Program in Java
Java Programs
import java.util.Scanner; public class EvenOdd { public static void main(String[] args) { int number; Scanner sc = new Scanner(System.in); System.out.print(“Enter […]
Greater Number Program in Java
Java Programs
import java.util.Scanner; public class GreaterNumber { public static void main(String[] args) { int n1, n2; Scanner sc = new Scanner(System.in); […]
Greatest Number Program in Java
Java Programs
import java.util.Scanner; public class GreatestNumber { public static void main(String[] args) { int n1, n2, n3; Scanner sc = new […]
Leap Year Program in Java
Java Programs
import java.util.Scanner; public class LeapYear { public static void main(String[] args) { int year; Scanner sc = new Scanner(System.in); System.out.print(“Enter […]
Passing Division Program in Java
Java Programs
import java.util.Scanner; public class PassingDivision { public static void main(String[] args) { // TODO code application logic here int math, […]