public class TestVarargs { public static void main(String[] args) { int sum = 0; sum = MathTool.sum(1, 2); System.out.println("1 + 2 = " + sum); sum = MathTool.sum(1, 2, 3); System.out.println("1 + 2 + 3 = " + sum); sum = MathTool.sum(1, 2, 3, 4, 5); System.out.println("1 + 2 + 3+ 4+ 5 = " + sum); } }