Teach Yourself Java in 21 Days

Day

3

Java Basics

41

Statements and Expressions ...................................................................... 42

Variables and Data Types ......................................................................... 43

Declaring Variables .............................................................................. 43

Notes on Variable Names .................................................................... 44

030-4 FM

1/29/96, 8:11 PM

9

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Teach Yourself JAVA in 21 Days

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P2/V4SQC6    TY  Java in 21 Days   030-4    louisa  12.31.95

   FM   LP#4

Variable Types ..................................................................................... 45

Assigning Values to Variables ............................................................... 46

Comments ................................................................................................ 47

Literals ...................................................................................................... 47

Number Literals ................................................................................... 47

Boolean Literals ................................................................................... 48

Character Literals ................................................................................. 48

String Literals ...................................................................................... 49

Expressions and Operators ........................................................................ 50

Arithmetic ........................................................................................... 50

More About Assignment ...................................................................... 52

Incrementing and Decrementing ......................................................... 52

Comparisons ........................................................................................ 54

Logical Operators ................................................................................ 55

Bitwise Operators ................................................................................ 55

Operator Precedence ............................................................................ 56

String Arithmetic ...................................................................................... 57

Summary .................................................................................................. 58

Q&A ........................................................................................................ 60