5.calculate square and cube

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 class square_cube

{

public static void main(String arg[])

{

int a = Integer.parseInt(arg[0]); // convert string to integer

int sq, cu;

sq = a * a;

cu = a * a * a;

System.out.println("Square = " + sq);

System.out.println("Cube = " + cu);

}

}

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