java 9 jlink example

Java 9 is coming soon. How much do you know about the ten new features of Java 8 ?, Java9java8 Java 9 is expected to be released in September. We will wait and see if it will be a milestone version. Today, let's review the ten new features of

JAVA: Lesson 9 (keyword 2 static), java keyword staticKeyword 2: static)Features:Static is used to modify members (member functions and member functions)The existence of static takes precedence over the existence of objects and is loaded with the loading of classes.Static modified members are shared by all objects.Static can be called directly by class name. Form

the time of the JVM startup, there will be at least 30~60MB memory load, The main reason is that the JVM needs to load the Rt.jar, regardless of whether the class is ClassLoader loaded, the first step of the entire jar will be loaded into memory by the JVM, the module can be loaded according to the needs of the module to run the required class, then how the JVM knows the need to load those classes? This is a new file introduced in Java

Java multi-thread (9) blocking queue, java multi-thread blocking queue Reprinted please indicate the source: http://blog.csdn.net/xingjiarong/article/details/48005091 In the previous blog, we introduced how to use Object locks, conditional locks, and more convenient synchronized keywords to implement multi-thread synchronization and mutual exclusion. You may thi

Reproduced please indicate the source, thank you for your support!This article from the excellent code: HTTP://WWW.UUCODE.NET/201502/9%E4%B8%AA%E8%B0%AC%E8%AE%BAJava's performance has some sort of black magic. This is due in part to the complexity of the Java platform and the difficulty of locating problems in many cases. Yet there is a tendency in history for people to study

null-safe method, such as the Print method in this example, does not throw a null pointer exception, but gracefully exits. It is recommended to use a null-safe method if the business logic allows it. 9) You can use the = = or! = action to compare null values, but you cannot use other algorithms or logical operations, such as less than or greater than. Unlike SQL, null==null in

Java learning notes 9 (Object-Oriented 2), java learning notes Proximity principle: When the names of the variables in the method and member variables in the class are the same, the variables in the method take effect when the class method is called. If no variables are defined in the method, the variables in the member variables will be searched. Therefore, this

Java basic knowledge traps (9) and java basic knowledge traps This article is published on my blog. Today I want to talk about JAVA multithreading. If you have any errors, please point them out. As we all know, JAVA processing on the server also has great advantages. Many co

in any order, but are always retrieved in sorted order. Whenever the Remove method is called, the smallest element in the current priority queue is always fetched, but the priority queue is not sorted.Use data Structure = = "HeapThe heap is a self-adjusting two-fork tree. You can have the smallest elements move to the tree root without having to spend time sorting.Typical case: Task schedulingPriorityqueue ();Constructs a priority queue for holding compareable objectsPriorityqueue (int initialc