1. Explain the difference between a void method and a valued method. 2. Describe the string that the method toString returns for each of the following classes in the Java Class Library:...

1. Explain the difference between a void method and a valued method.

2. Describe the string that the method toString returns for each of the following classes in the Java Class Library:

java.math.BigDecimal, java.util.Date, java.lang.Integer, java.util.Random, java.awt.Rectangle.

(You pass a rectangle’s width and height to the constructor of Rectangle.)