Explore the path of Java Agile Learning

One:

OOP: Object-oriented Programming

OOPL: Object-oriented programming language

OMT: Object Modeling Techniques

OOA: Object-oriented Analysis

OOD: Object-oriented design

IDE: Integrated development Environment (eclipse contains JDT (Java Development tools (plugin set)))

Two:

The object has state, behavior, and identity, and the Java language cannot directly access the object, but rather by referencing (identifying) the object

( name, attribute, method )

Three:

An instance of the class is an object ( an instance of the geometry is a circle )

Inherit extends "is a"

Reference "has a"

Four:

The Java program source file must have the same name as the class name of the public class, so you can define a maximum of one public class in a Java source file

Five:

File name extension setting tick

Six:

Explore the path of Java Agile Learning