Java
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ArrayList source code analysis – java8
< H4 id = "1 Summary of features" > 1 Summary of features: < H4 id = "3 source code analysis" > 3 Source c…… -
Brief introduction to TCP / IP
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
Object creation, initialization and reference in Java
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JDBC and JDBC template
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
LinkedList brief introduction
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
JWT brief introduction
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
Several characters that need to be escaped when splitting in Java
String[] strs1=str1.split("\\|"); String[] strs2=str2.split("\\."); String[] strs3=str3.split("&")…… -
What is the database paradigm, should it be strictly followed, and under what circumstances should it not be followed?
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
Mybatis generator code generation
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
Summary of anonymous inner classes in Java
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Semaphore source code analysis – java8
1. Characteristic analysis private final Sync sync; All mechanisms are implemented through the subclass AQS, so the im…… -
There are several content types for HTTP requests. What is the difference? What scenario is HTTP suitable for? What are the HTTP status codes?
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
Brief introduction to RMI
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
Summary of important concepts of common Java classes
Is to automatically convert the basic data type to the wrapper type; （1）Integer it = 200; Actually: integer it3…… -
Analysis of HashSet source code of Java collection
summary HashSet is implemented based on HashMap. The bottom layer uses the key of HashMap to save data, so that the el…… -
Java map traversal mode and performance test
Transferred from: For the traversal of map in Java, many articles recommend using entryset, which is much more effi…… -
List interface iterator – listiterator
Inherited from. 2 * 3 * 4 * 5 * 6 *, in]. Therefore, an iterator with a list length of N has (n + 1) possible cursor p…… -
The most important role of Java internal classes – implementing multiple inheritance
< span style="color:rgb(51,51);font-family:Helvetica,sans-serif;font-size:14px;"> 1、 Inner class definition: t…… -
On Java multithreading
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
What is SOA, SCA and microservices?
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
Java multithreading.
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
The difference between instance variables and class variables, instance methods and class methods in Java
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Basic use of java reflection
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
Comparison between sleep () method and wait () method
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Java interface
The concept of interface in Java, an interface is a collection of all abstract methods. An interface needs to be defin…… -
Simple use of RMI?
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
How to generate code using mybatis generator?
This is the back-end small class of the monastery. Each article is shared from [background introduction] [knowledge an…… -
HashMap obtains all keys and values respectively
I can't remember. I have to record it myself this time. I'll check it if I encounter it. It's a waste of time Although…… -
Implementing comparator interface in HashMap sorting in Java
1. By observing collections The source code of sort() is as follows: -
Java collection class details
Collection ├List │├LinkedList │├ArrayList │└Vector │ └Stack └Set Map ├Hashtable ├HashMap └WeakHashMap