chapter_5_beginning_javabook

Boolean variables can be given only two values true

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Unformatted text preview: ype boolean is a special variable type to declare so-called boolean variables. Boolean variables can be given only two values: true and false. We shall study these variables in more detail when we encounter them in some example programs. Some other programming languages (e.g. C++ and C#) have "unsigned" integral variable types. In such variables it is possible to store only non-negative whole numbers. These variable types are not available in the Java programming language. Exercises with program Game.java Exercise 5-1. Modify the program so that it always loses the game by presenting a number which is one smaller than the number given by the user. With operator - it is possible to perform subtractions in Java. Exercise 5-2. Modify the program so that it prints three numbers that are larger than the number given by the user. For example, if the user types in 144, the program must print 145, 146, and 147. 106 Chapter 5: Variables and other basic elements in Java programs A variable of type byte needs only a single byte of...
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This document was uploaded on 01/20/2014.

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