Many utilities accept the ––help option (Sobell, page 38). When called with this option, one of these utilities displays information about itself. Call the cat utility with the ––help option.

Answer the following statements true (T) or false (F)

1. An object of class A is an instance of class A. 2. An invocation of a method that returns a value can be used as an expression any place that a value of the Type_Returned can be used. 3. The Java language supports global variables. 4. 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. 5. When you give a command to run a Java program, the runtime system invokes the class constructor.

Bit stream methods commonly use algorithm functions like ____.

A. the XOR operation B. substitution C. transposition D. permutation