Implement the programs from the self-test questions in order to verify your answers. For one of the programming exercises in Chap. 2, you wrote a program that converted pounds to kilograms. Rewrite...

Implement the programs from the self-test questions in order to verify your answers. For one of the programming exercises in Chap. 2, you wrote a program that converted pounds to kilograms. Rewrite this program, so that the conversion takes place in a separate method which is called by the main method.