Exam 4: Defining Classes I

Write a Java method that returns the value of PI,where PI = 3.1415926535.

Java has a way of officially hiding details of a class definition.To hide details,you mark them as _________.

It is considered good programming practice to validate a value passed to a mutator method before setting the instance variable.

The modifier private means that an instance variable can be accessed by name outside of the class definition.

A variable whose meaning is confined to a method definition is called an/a

A more eloquent approach in implementing mutator methods is to return a ________ value.

A variable whose meaning is confined to an object of a class is called:

A method that performs some action other than returning a value is called a __________ method.

Java supports operator overloading.

Method overloading is when two or more methods of the same class have the same name but differ in number or types of parameters.

When the parameters in a method have the same as instance variables you can differentiate them by using the _____ parameter.

Inside a Java method definition,you can use the keyword this as a name for the calling object.

The name of a method and the list of ________ types in the heading of the method definition is called the method signature.

Boolean expressions may be used to control if-else or while statements.

The parameter this refers to

Write a method called Greeting that displays a personalized greeting given a first name.

Write a method called power the computes x< sup >n< /sup > where x and n and positive integers.The method has two integer parameters and returns a value of type long.

Write a driver program to test your Student class created in question #14.

In a method invocation,there must be exactly the same number of arguments in parentheses as there are formal parameters in the method definition heading.

Write a Java method that prints the phrase "Five purple people eaters were seen munching Martians".