Java Summary - Building Java Programs: A Back to Basics Approach - page 1104

Appendix B
Java Summary

Java Keywords

abstract continue for new switch

assert default goto package synchronized

boolean do if private this

break double implements protected throw

byte else import public throws

case enum instanceof return transient

catch extends int short try

char final interface static void

class finally long strictfp volatile

const float native super while

Primitive Types

Type Description Examples

integers (whole numbers)

int 42, -3, 18, 20493, 0

real numbers

double 7.35, 14.9, -19.834

single characters

char 'a', 'X', '!'

logical values

boolean true, false

Arithmetic Operators

Operator Meaning Example Result

addition + 2 + 2 4

subtraction

- 53 - 18 35

multiplication * 3 * 8 24

division

/ 4.8 / 2.0 2.4

remainder or mod % 19 % 5 4

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