1. When should a program throw a RuntimeException? 2. Suppose a method has an int parameter called x, and the body of the method changes x to zero. When the method is activated, what happens to the...

1. When should a program throw a RuntimeException?

2. Suppose a method has an int parameter called x, and the body of the method changes x to zero. When the method is activated, what happens to the argument that corresponds to x?

3. Suppose a method has a Location parameter called x, and the body of the method activates x.rotate90( ). When the method is activated, what happens to the argument that corresponds to x?