在Java中,下述代码的运行结果是( ) public class MyClass { public static void main(String[] args) { int num1 = 34; int num2 = 55; MyClass mc = new MyClass( ); mc.increase(num1, num2); System.out.println(num1+"和"+num2); } public void increase(int num1, int num2) { num1++; num2++; } }