JavaSE Basics Tutorial - finishing study notes (updated)

JavaSE based tutorial

1, Java Introduction

1.1, understanding

1.2, the history of the development of java

1.3, the main features of java language

1.4, java two kinds of core mechanism

1.5, the differences and relations between the JRE, JDK, JVM

2, Java development environment to build

2.1, JDK installation

2.2, JDK configuration environment variable

2.3, the popular JAVA development tools

3, Java basic grammar

3.1, the first Java program

3.2, basic grammar

3.3, Java identifier

3.4, Java keyword

3.5, java three comments

4, Java basic data types

4.1, the basic data types

4.2, the basic data types of packaging

4.3, type conversion

5, the operator

5.1, arithmetic operators

5.2, relational operators

5.3, logical operators

5.4 assignment operator

5.5, other operators

6, array

6.1, an array of concepts and initialization

6.2, an array of memory allocation

Traversal 6.3, an array of

6.4, two-dimensional array

7, flow control statements

7.1, if ... else statement

7.2, switch statements

7.3 loop

8, Java method

8.1, java method (understood a)

8.2, java method (appreciated II)

8.3, java method parameter transfer mechanisms (transfer basic data types and reference types passed distinction)

8.4, the difference between method overloading and method overrides

9, Java object-oriented

Introduction: the difference between object-oriented and oriented thinking

. 9 .1, Java classes and objects

9 .2 members and local variables

9.3, the object --new keyword

. 9 .4, the Java package

9.5, Java inheritance

• Java object-oriented - inheritance (on)
• java object-oriented - inheritance (under)
• this keyword

• The static keyword (static)

9.6, Java polymorphism

• Polymorphism (on)
• Polymorphism (lower)

9.7, Java abstract class

9.8, Java interfaces

• Java object-oriented - Interface (on)
• Java object-oriented - Interface (next)
• The difference between abstract classes and interfaces

9.9, Java package

• Use java package

• java modifier testing authority and summary

10, API__ common class

• API Overview
• A keyboard input data string (Scanner class)

• Overview and string constructor method (String category)

         String class determining function

         Conversion of the String class

         Get the String class functions

         Go to the space division function and the String class

         String String class short exercises

• The variable string StringBuffer class ( StringBuffer class )

• Senior array (sorting and search)

• Overview of common methods and classes Arrays

• The basic types of packaging incorporated
• Integer class uses
• Character classes and use

• java regular expressions

• Java Math class method outlined and its members

• Java System class method outlined and its members

• Java BigInteger class overview and construction method

• Java BigDecimal class overview and construction method

• Java Date overview and construction method

• Java DateForma class implements mutual conversion date and strings

• Java Calendar class and method overview

11, Java Collections Framework

1, java data structure

2, java collections framework

• Java Collections Framework (on)

• Java Generics (Generic) Overview and use

• Java Collections Framework (in) - List collection

• New features of Java JDK5 enhanced version of the for loop applications