How to find prime numbers in java

public class PrimeExample2{    

  static void checkPrime(int n){  
    int i,m=0,flag=0;      
    m=n/2;      
    if(n==0||n==1){  
     System.out.println(n+" is not prime number");      
    }else{  
       for(i=2;i<=m;i++){      
        if(n%i==0){      
         System.out.println(n+" is not prime number");      
         flag=1;      
         break;      
      }      
     }      
     if(flag==0)  { System.out.println(n+" is prime number"); }  
    }//end of else  
  }  
 public static void main(String args[]){    
  checkPrime(1);  
  checkPrime(3);  
  checkPrime(17);  
  checkPrime(20);  
}    
}

Similar codes

0 vote133 views1 answer
Resurce leak java
Java
0 vote128 views1 answer
How to install openjdk 16
Java
0 vote146 views1 answer
Java size of linked list
Java
0 vote133 views1 answer
Share location in android programmatically
Java
0 vote128 views1 answer
How to get all of the chldren of a panel in java
Java
46 votes133 views3 answers
How to print out an array in java
Java
1 vote137 views1 answer
How to convert a collection to array in java
Java
0 vote134 views1 answer
Java sql query with parameters
Java
4 votes89 views1 answer
Disable button java
Java
5 votes99 views1 answer
Is a relationship concept java
Java