課題

public class Test {

    public static void main(String[] args) throws Exception {    //1
    	int ans;                                                //2
    	ans = pow(5);                                           //3,7
    	System.out.println(ans);                                //8
    	System.out.println(pow(6));                             //9,13
    	System.out.println(pow(pow(4)));                        //14,18,22
    }                                                            //23
    
    private static int pow(int intarg) {                         //4,10,15,19
    	int result = intarg * intarg;                           //5.11,16,20
    	return result;                                          //6,12,17,21
    }

}