Main.java Source code

Introduction

Here is the source code for Main.java

Source

public class Main {
    public static int addAndCheck(int x, int y) {
        long s = (long) x + (long) y;
        if (s < Integer.MIN_VALUE || s > Integer.MAX_VALUE) {
            throw new ArithmeticException("overflow: add");
        }
        return (int) s;
    }

    public static int mulAndCheck(int x, int y) {
        long m = ((long) x) * ((long) y);
        if (m < Integer.MIN_VALUE || m > Integer.MAX_VALUE) {
            throw new ArithmeticException("overflow: mul");
        }
        return (int) m;
    }

    public static int subAndCheck(int x, int y) {
        long s = (long) x - (long) y;
        if (s < Integer.MIN_VALUE || s > Integer.MAX_VALUE) {
            throw new ArithmeticException("overflow: subtract");
        }
        return (int) s;
    }
}