go to implement java virtual machine 01

I read a book a while ago, which said that it was very interesting to implement java virtual machine with go language, so I spent a period of time learning go language. Although I didn't have a deep understanding of the bottom layer of go, it's OK to write code, just like a reading note! Here is the link. In addition, there is a "go progra ...

Posted on Wed, 26 Feb 2020 04:49:42 -0800 by lingo5

Java - multithreading (from theory to programming)

Article directory concept The life cycle of a thread thread priority Create a thread Creating threads by implementing the Runnable interface Create threads by inheriting threads program Creating threads through Callable and Future Comparison of three ways to create threads Several main concepts of ...

Posted on Thu, 20 Feb 2020 03:11:03 -0800 by blear

JVM learning classadder parent delegation mechanism

JVM learning (7) - two parent delegation mechanism of class adder Class loader The hierarchical system of classloader in Java Root loader extensions class loader system class loader User defined class loader This is the top-level root class loader, and so on. User defined loaders are generally d ...

Posted on Mon, 10 Feb 2020 00:51:06 -0800 by Nilpez

How to compare strings in Java?

In this article, you will learn how to compare strings and the problems that occur when you compare strings using the equal (=) operator. introduce String is a special class in Java. We use string regularly in Java programs, so comparing two strings is a common practice in Java. In this article, I try to answer the most common questions about ...

Posted on Sat, 08 Feb 2020 00:28:43 -0800 by ManWithNoName

Lamda expression learning note 1

Lamda expression learning note 1 1, Grammatical interpretation of Lamda One of the three silly Bollywood heroes, lancher, said something that impressed me deeply: express the same meaning in simple language I'm not saying how wrong the definition in the book is, but we should understand the definition in the book and describe it in simple words ...

Posted on Fri, 07 Feb 2020 03:56:08 -0800 by Haggen

Teach you an easy way to speed up your Eclipse startup by 1.5 seconds!

Have you ever thought about the Eclipse you use every day What kind of garbage collector does it use? How many GC S have been executed at startup? Can you tune its startup speed? In this article, I will introduce how I can tune Eclipse to make its startup speed increase by 1.5 seconds. You may say that it's only 1.5 seconds. It needs to be s ...

Posted on Thu, 06 Feb 2020 22:12:29 -0800 by svanderclock

java common class -- Object class

1.API overview and Object class overview A:API(Application Programming Interface) Application programming interface B:Java API The classes provided by Java to us encapsulate the underlying implementation, We don't need to care about how these classes are implemented, we just need to learn how to use ...

Posted on Wed, 29 Jan 2020 04:08:46 -0800 by nikbone

Three states of objects in Hibernate_hibernate

This series of blogs is summarized here: Hibernate Summary Three states of objects 1. Three states of objects in hibernate 2. Transient Object to Persistent Object 3. Conversion of persistent and offline objects 4. Objects queried by get, load and iterator are persistent 5. Persistent and offline obje ...

Posted on Tue, 28 Jan 2020 19:32:28 -0800 by tmann

See what garbage collector the JVM uses

Article directory Method 1 Method two Parameter interpretation Method three Method 1 Print all parameters of virtual machine root@S-SI-APP-015-WSSB-TSYB:/opt/base# java -XX:+PrintFlagsFinal -version | grep : intx CICompilerCount := 4 ...

Posted on Tue, 21 Jan 2020 08:12:05 -0800 by Paul Ferrie

Introduction to Java - Language Foundation - 11.switch_case

Original address: http://www.work100.net/training/java-switch-case.html More Tutorials: Beam Cloud - Free Course switch_case Sequence Number Intratext chapters video 1 Summary - See the navigation section above for reading 1. Overview The switch case statement determines whether a variable is ...

Posted on Mon, 20 Jan 2020 17:05:20 -0800 by mitch.craig