Writing Classes

When a group of statements, such as control structures, are all put together to be referred to this.

It needs to be correctly indented for the code to be considered a part of the class.

are found at the top of the code right after the header.

lets the compiler recognize the file as containing java code.

is called the source code for a program because it defines the program’s actions and functions.

A group of code that performs a specific task.

A class that is created to control a larger program

This class houses the “guts” of the methods that the driver class calls.

is a descendent of the object class in the Java language.

Every class in Java is a descendent of the object class in the

It’s used to define the function of the method.

They set an object's initial values for instance variables.

(these are optional) They are data that the method needs to function properly.

Three attributes in order for the code to function correctly.

is if the method is public or private.

specifies the type of data that will be returned from the methods after its commands are executed.

is the name of the method.

writing multiple methods that perform the same task, but require different information, or parameters to to something.

A comment that is intended to inform the user more about the condition of the method and guarantees it to be true.

A condition that must always be true just after the execution of a section of code, or after an operation in a formal specification.

In order for the classes to come together and have the program function properly, they need to work together properly.

must be in the same folder on the computer.

has to take on the responsibility of deciding which objects to instantiate and to which types and when to use them, and how they are used based on the needs of the class.

Made up of other data, and instances of other classes.

is a keyword used to reference the current calling object and may be used as an object variable.

is an attribute that is shared among all instances of a class.

method that is designed to access or modify a static variable is a static method.