Getting a error message and I dont understand why public class DebugTwo2 { public static void main(String args[]) {    {       int a, b;       a = 7;       b = 4;       System.out.println("The sum is " + (a + b);       System.out.println("The difference is " + (a - b);       System.out.println("The product is " + (a * b);    }

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