features in java 8

Reprinted from: http://www.cnblogs.com/lanxuezaipiao/p/3460373.htmlEvery language is powerful, whether you are a beginner like me or a great God with an N-year project experience, there's always something you don't know. In terms of the language itself, such as Java, perhaps you have developed Java for several years, it can be said to be well-known to the heart, but you can guarantee the use of

People often ask me what is the best way to learn a new library? My answer is to use it in the actual project. There are many real needs in the project that drive developers to explore and learn new libraries. Simply put, task-driven learning explores. This is no exception to the Java 8 new DateTime API. I created 20 task-based instances to learn the new features

engine. Elasticsearch is a distributed environment that can be used for reliability and scalability as an important factor. This tool provides a super-simple full-text search experience.Official website: http://www.elasticsearch.org/7. SonarqubeSonarqube is an open platform for managing code quality. Web-based applications can be configured with Java applications. It provides rules, alerts, thresholds, exclusions, and setup

need to runJavaapplication's operating system, first install aJavaVirtual Machines(JVMJavaVirtual machine)can be. byJvmto be responsibleJavaThe operation of the program in the system. In simple terms, the program code is compiled and converted to a type calledJavathe middle language of the byte code,JavaVirtual Machines (JVMThe bytecode is interpreted and run. Compilation occurs only once, and interpretation occurs every time the program is run. The compiled bytecode takes aJVMThe optimized mac

first abstraction, abstracting 0 and 1 into certain sentences, and using simple sentences to describe the a=1, but because of the limited abstraction, the complexity of programming is still relatively high.3. In the C language era, it can be said that the abstraction has made a leap, C language basically can deal with daily problems, and performance is very excellent4. In the Java era, OOP has been proposed, which makes the description of the actual

[Java entry notes] three features of object-oriented: inheritance and javaUnderstanding what inheritance is First, we know that there are three main characteristics of objects:Encapsulation: solves data security issues inheritance: solves code reuse issues polymorphism: solves program expansion problems in the previous blog, we learned about encapsulation, now, let's look at what inheritance is. In real lif

Three main features of Java object-oriented, java object-orientedJava object-oriented features: encapsulation, inheritance, and Polymorphism Encapsulation and inheritance are almost always prepared for polymorphism.I. Encapsulation First, attributes can describe the features

"Go" Java Improve (ii)-----Understanding the inheritance of three major features of JavaOriginal address: http://www.cnblogs.com/chenssy/p/3354884.htmlIn "Think in Java" There is a sentence: Reuse code is one of Java's many compelling features. But to be a revolutionary language, it's not enough to just copy the code a

Java is a simple, object-oriented, distributed, interpretive, robust, secure, structured-neutral, portable, high performance, multi-threaded static language. So what are the features of the Java language?1, the Java language is simple.The syntax of the Java language is close

Java 9 only released for a few months, a lot of things do not understand, now Java 10 is coming again. This time I really want to say: the online JDK 7 or even JDK 6,JDK 8 is not ripe, JDK 9 released soon do not know what things, jdk 10 ... Just learn Java students are not feeling a face of forced .... Even my old driv

Java is a type-safe language that has four types of security mechanisms known as the security sandbox mechanism to guarantee the security of the language, and these four types of security sandboxes are: .class File verifier Security manager and Java API This blog mainly introduces the "built-in Java Virtual machine (and langua

Three main features of Java object-oriented, java object-oriented Java object-oriented features: "encapsulation, inheritance, polymorphism ". Take this document as an example. variables in the User class are private variables and can only be assigned by creating an object (a

[Java entry notes] three features of object-oriented: encapsulation and javaWhat is encapsulation? Java object-oriented programming has three basic features: encapsulation, inheritance, and polymorphism. First, let's take a look at the encapsulation: In Java's object-oriented programming, Encapsulation refers to a meth

the three main features of Java object-oriented encapsulation:Encapsulation (encapsulation) is an important feature of object-oriented, which is to combine the properties of an object and the operation (or service) into a separate whole, and hide the inner implementation details of the object as much as possible. the so-called encapsulation is the bundling of attributes and methods together, encapsulated in