Java
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06-03 overview of java object-oriented idea, development and design features, definition and use of classes and objects, object memory diagram
Overview of object-oriented thought, development and design characteristics Overview of classes and objects Class defi…… -
08-01 production and use of Java help documents, using the help documents provided by JDK
01_ Help make and use documents Process of making instructions Write a tool class and add document comments to this cl…… -
08-03 Java inheritance
Inheritance format, advantages and disadvantages, overview: Inherited features in Java: Pay attention to the implement…… -
07-01 Java encapsulation
1:成员变量和局部变量的区别 2: If you see that the parameter required by a method is a class name, you should know that…… -
03-03 Java sequential statement structure, select if statement structure
Sequential structure: If statement If statement considerations The difference between ternary operation and if stateme…… -
09-01 Java final, polymorphic, abstract class, interface
final Characteristics of final modified variable: Final modifies the initialization timing of variables -
06-02 Java value transfer and data encryption
Value transfer: Java basic type value transfer, reference type value transfer memory diagram: data encryption -
14-02 Java math class, random class, system class, BigDecimal class
Math class Math's method Math. random（） Random class System class System class, which provides some useful fields an…… -
12-01 line breaks caused by nextline() in Java scanner class
分析理解：Scanner sc = new Scanner(system.in); Hasnextint() and nextint() methods of the scanner class import java. u…… -
10-05 overview and explanation of Java internal classes
Overview of internal classes Internal class location How to directly access members of a class inside a member Modifie…… -
13-03 java basic type wrapper class overview, integer class, character
Overview of basic types and packaging classes The advantage of encapsulating basic data types as objects is that more …… -
10-02 in depth study of Java formal parameters and return values, chain programming
Problems with formal parameters and return values: Class name as formal parameter Abstract class name as formal parame…… -
12-02 Java string class
String construction method Characteristics of string: once assigned, it cannot be changed. But references can change I…… -
The difference between Java abstract classes and interfaces
Abstract class features: 1 Methods can be constructed in abstract classes Abstract classes can have ordinary propertie…… -
The most complete java learning roadmap — java learning guide
Preparation Applicable / suitable for people: suitable for basic Xiaobai Objective: to master Java se. ● technical poi…… -
Write a learning roadmap for your own Java programmers
The following are some technologies and tools that I have often used in development in recent years. Of course, these …… -
Java 11 is officially released. These new features teach you to write more awesome code
Today, let's take a look at what Java 11 is, what's special about it, and whether to upgrade to Java 11. What's specia…… -
Java exception class structure diagram
< img style="background: #ffffff none repeat scroll 0% 0%;" src="%20http://img.blog.csdn.net/20151023200049836…… -
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Java Engineer book list (elementary, intermediate, advanced)
brief introduction How to learn to grow from a Java junior programmer to a qualified architect, or what kind of techni…… -
On the differences among set, list and map in Java
http://developer.51cto.com/art/201309/410205_all.htm -
Export selected behavior excle
What you want to achieve is to export the selected row. For example, check these two items Export as My front desk is …… -
The difference between super() and this()
1) The call to super () must be written in the first line of the subclass construction method, otherwise the compilati…… -
Java learning roadmap (how to learn java quickly)
Unknowingly, it has been 8 years since I first learned Java. Today I'm here to give some suggestions to my friends…… -
A memory leak analysis of Java
Current environment Code address Git address: background Online troubleshooting First, we need to check on the server.…… -
The difference between Preparedstatement and statement
The difference between Preparedstatement and statement 1. Preparedstatement is precompiled, which can greatly improve …… -
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Paging implementation method
Method 1: the definition of foreground page displays easy UI in pages Every time a page operation or query requests cu…… -
Key notes on Java programming ideas (java development must see)
The Java programming idea is a must read classic for java learning. It is worth reading for both beginners and Daniel.…… -
Introduction to SSM framework and integration tutorial
1.Spring Spring framework is the most widely used framework in Java. Its success comes from the concept rather than th……