9.java

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package javaapplication2;
/**
 *
 * @author Daniyal Javani
 */
public class JavaApplication2 {
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        for(int a = 1; a < 1000 ; a++){
            for(int b = 1 ; b < 1000 ; b++){
                for(int c = 1 ; c < 1000 ; c++){
                    if( Math.pow(a, 2) + Math.pow(b, 2) == Math.pow(c, 2) ){
                        if( (a + b + c) == 1000){
                            System.out.println(a * b * c);
                            System.exit(0);
                        }
                    }
                }
            }
        }
    }
}