Java Program Example
In this section we will discuss about some important java program example with output and explanation like java program to check prime number, java program to print Fibonacci series, java program to print array etc.
Java program to check prime number
class PrimeNumber{ public static void main(String...s){ int n=8960, temp=0,m=n/2; for(int i=2;i<m;i++){ if(n%i==0){ temp=1; break; } else{ temp=0; } } if(temp==1){ System.out.print("Not prime"); } else{ System.out.print("prime no"); } } }
Output
Not prime
java array example
//user define java program to print array package arrayexample; import java.util.Scanner; public class ArrayUser { static int n; public static void main(String[] args) { Scanner uk = new Scanner(System.in); System.out.println("Enter the number of element"); n = uk.nextInt(); int x[] = new int[n]; System.out.println("Enter "+ n +" numbers"); for(int l=0;l<x.length;l++){ x[l]= uk.nextInt(); } System.out.println("OuTput:"); System.out.println("Entered numbers are :"); for(int l=0;l<x.length;l++){ System.out.println(x[l]); } } }
Output
Enter the number of element 4 Enter 4 numbers 12 38 07 89 OuTput: Entered numbers are : 12 38 7 89
Java Reverse Number Example
class ReverseNumber{ public static void main(String...s){ int n=534, rev=0; while(n!=0) { rev=rev*10; rev=rev+n%10; n=n/10; } System.out.print("Reversed number is: "+rev); } }
Reversed number is: 435