Java
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Two implementation methods of linked list inversion, the latter beat 100% of users!
Linked list inversion is a very basic but very popular algorithm interview question. It has also appeared in question …… -
Java improvement class (IV) interview Essentials – data sets you don’t know
Introduction: does map not belong to a subset of the Java collection framework? Like a list, a queue belongs to one of…… -
23 pictures! Ten thousand words explain the “linked list”, from Xiaobai to big brother!
Linked list and array are two important and commonly used basic data types in data types. Array is a data structure co…… -
Summary of the most complete implementation methods of delayed tasks in history! Code attached (strongly recommended)
The birth of this article is thanks to a reader who gave this excellent article the opportunity to meet you. The focus…… -
New Java feature: can data types be thrown away?
A long time ago, when writing code, we should carefully consider the data types of variables, such as the following: H…… -
Spring boot (IV) template engine thymeleaf integration
1、 Introduction to thymeleaf Thymeleaf is a Java XML / XHTML / HTML5 template engine that can be used in web and non …… -
The difference between comparable and comparator in Java
The difference between comparable and comparator in Java brief introduction java. Lang. comparable and Java util. Comp…… -
JIT’s profile artifact jitwatch
brief introduction It seems that the constant use of command-line tools can't keep up with the pace in modern society,…… -
Java secure coding guide: serialization
brief introduction Serialization is a very common and neglected function in Java. We need to serialize objects when th…… -
On the reactive system
Initial knowledge of responsive system The first time I heard the word reactive was a few years ago. I came across the…… -
Thread life cycle in Java
Thread is a topic that cannot be bypassed in Java. Today, this article will explain the life cycle of thread in Java i…… -
How to use stream in Java 8’s map
How to use stream in Java 8's map brief introduction Map is a very common collection type in Java. We usually need to …… -
Java security coding guide: file IO operation
brief introduction We often use IO operations for files. Because of the complexity of files, we also need to pay atten…… -
Mark up interfaces, annotations, and the past and present lives of annotation processors
Mark up interfaces, annotations, and the past and present lives of annotation processors brief introduction I believe …… -
Use of countdownlatch in Java concurrency
In Java concurrency, controlling the access of shared variables is very important. Sometimes we also want to control t…… -
Jdk14 performance management tool: introduction to jmap and jhat
brief introduction In the process of writing code, we often encounter the problem of memory leakage, such as the objec…… -
Java secure coding guide: input injection
brief introduction Injection is a very common problem in security. Today, let's discuss the prevention of SQL injectio…… -
Jdk15 is really coming. Let’s take a look at its new features
brief introduction The latest version of JDK twice a year, jdk15, was officially released on September 15, 2020. This …… -
Use of completionservice in Java
Use of completionservice in Java In the previous article, we talked about executorservice. Through executorservice, we…… -
A PDF to understand jdk10 GC tuning script – PDF download attached
brief introduction Today, let's talk about JVM GC tuning parameters in jdk10. There are 1957 JVM parameters in jdk10, …… -
Using locks in Java
In the previous article, we mentioned that the way to implement synchronization in Java is to use synchronized block. …… -
New feature of jdk9: jpms modularization
New feature of jdk9: jpms modularization brief introduction Jdk9 introduces a new feature called jpms (Java platform m…… -
New features of jdk14
In the release on September 17, Oracle mentioned that the function of switch expression is expected to be finalized in…… -
Use of delayqueue in Java
Use of delayqueue in Java brief introduction Today, I'd like to introduce delayqueue to you. Delayqueue is a kind of B…… -
Java Memory Model (JMM) and happens before
Java Memory Model (JMM) and happens before We know that Java programs run in the JVM, and the JVM is a virtual machine…… -
New feature of jdk12: teeing collectors
brief introduction Jdk12 is Java util. stream. Collectors added a new teeing method? Seeing that many people translate…… -
Learn about jdk12 13 14 GC tuning script – PDF download
brief introduction Want to know the GC tuning secrets in jdk12, 13 and 14? Want to know what new changes have been mad…… -
Understand the queue family in Java
Introduction to queue family in Java brief introduction Collection collection in Java has three families: list, set an…… -
50000 word long text: Best Practices for stream and lambda expressions – PDF download
1. Introduction to streams Today's stream refers to Java util. Many classes in the stream package. Stream can easily c…… -
Troubleshooting: using control + break to solve thread deadlock
brief introduction If we encounter thread deadlock in the program, how to solve it? This article will start from a pra…… -
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Junior sister learning java IO: file file system
brief introduction Younger martial sister has encountered another problem. This time, the problem is about file creati……