Java Reference
In-Depth Information
5
Conditionals
and Loops
CHAPTER OBJECTIVES
●
Define the flow of control through a method.
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Explore boolean expressions that can be used to make decisions.
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Perform basic decision making using if statements.
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Discuss issues pertaining to the comparison of certain types of data.
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Execute statements repetitively using while loops.
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Discuss the concept of an iterator object and use one to read a text file.
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Draw with the aid of conditionals and loops.
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Explore more GUI components and events.
A
ll programming languages have statements that allow you to
make decisions to determine what to do next. Some of those state-
ments allow you to repeat a certain activity multiple times. This
chapter discusses key Java statements of this type and explores issues
related to the comparison of data and objects. It begins with a dis-
cussion of boolean expressions, which form the basis of any decision.
The Graphics Track sections of this chapter explore new drawing
options and some new components and events.
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