Chapter 2, Problem 5.1E

Program Plan Intro

Java variables:

• The java variables are the containers to hold a value during the program execution.
• The variables can be declared in different data type according to the need.
• The variables are names to some memory location and these memory locations can hold values.
• The variables can have the data type, integer, character, float, double and so on.
• If a variable is declared as “int” data type, then this variable will hold an integer value. Likewise, “float” data type variable will hold a floating point value and so on.
• The value of a variable may change when the program start the execution if the change is mentioned in the program code..