Friday, September 9, 2011

For Loop (Prime Numbers Java)

    /*
      Prime Numbers Java Example
      This Prime Numbers Java example shows how to generate prime numbers
      between 1 and given number using for loop.
     */
    
    public class GeneratePrimeNumbersExample {
    
    public static void main(String[] args) {
    
    //define limit
    int limit = 100;
    
    System.out.println("Prime numbers between 1 and " + limit);
    
    //loop through the numbers one by one
    for(int i=1; i < 100; i++){
    
    boolean isPrime = true;
    
    //check to see if the number is prime
    for(int j=2; j < i ; j++){
    
    if(i % j == 0){
    isPrime = false;
    break;
    }
    }
    // print the number
    if(isPrime)
    System.out.print(i + " ");
    }
    }
    }
    
    /*
    Output of Prime Numbers example would be
    Prime numbers between 1 and 100

    1 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97
    */

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