Introduction to Java for PL/SQL Programmers

Types of Variables

uBoolean

Ø2 values in Java

§true and false

uCharacter

ØSingle byte

ØCan be numeric or character

ØDifferent from a PL/SQL CHAR

uString

ØDefines an object

ØUsed to declare string variables

ØImplemented in Java as an object

uStringBuffer

ØSister class to string

ØUsed for character sequences that can change size and/or be modified

uNumeric

ØFor whole numbers

§long, int, short, byte

ØFor fractions

§float, double

Java basics