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June 29, 2009 at 10:28 AM

Hi Friend,

Try the following code:

import java.util.*;

class PrimeNumbers{

public static void main (String args[]){

System.out.println("Enter the start range:");

Scanner input=new Scanner(System.in);

int num1=input.nextInt();

System.out.println("Enter the end range:");

int num2=input.nextInt();

String primeNo = "";

int counter = 0;

System.out.println("Prime Numbers between "+num1+" and "+num2+" are:" );

for (int i = 5; i < 20; i++){ {

int j;

for (j = 2; j < i; j++)

{

if (i % j == 0) {

break;

}

}

if (i == j) {

primeNo += i + " ";

}

}

}

System.out.println(primeNo);

}

}

Thanks

Try the following code:

import java.util.*;

class PrimeNumbers{

public static void main (String args[]){

System.out.println("Enter the start range:");

Scanner input=new Scanner(System.in);

int num1=input.nextInt();

System.out.println("Enter the end range:");

int num2=input.nextInt();

String primeNo = "";

int counter = 0;

System.out.println("Prime Numbers between "+num1+" and "+num2+" are:" );

for (int i = 5; i < 20; i++){ {

int j;

for (j = 2; j < i; j++)

{

if (i % j == 0) {

break;

}

}

if (i == j) {

primeNo += i + " ";

}

}

}

System.out.println(primeNo);

}

}

Thanks

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