ARRAY LESSON 3

Optional

can be the keywords____/_______, and _______

means that our class is accessible to other classes outside the package.

This is the keyword used to create a class in Java.

Optional, can be public, private, protected, final, static

Can be a class name or a primitive data type

Any valid identifier

Optional initial value

Allocated once(1) regardless of how many objects are created

To declare an attributes to be static, use ________

Can carry a number of different modifiers

An be any type (including void)

List of parameters separated by commas.

TWO TYPES OF METHODS

Used to exit from the current method

Used to read values from our attributes (instance/static

Returns the value of an attribute using return keyword

Usually written as: getNameOfAttribute()

Used to write or change values of attributes

Written as: setNameOfInstanceVariable(newValue)

Always returns void

DECLARING CLASSES

DECLARING ATTRIBUTES

INSTANCE VARIABLES

Static Variables

Declaring Methods

Implementation of an accessor method:

Implementation of a Mutator Method:

Static Methods

The .this reference

Allows a method with the same name but different parameters, to have different implementations and return values of different types.