learn core java

Multi-thread (concurrency) for Java from single-core to multi-core)Java's parallel programming is complicated and I cannot understand it deeply. However, due to the need to train the classifier in parallel recently, I thought about it. please correct me if you have any errors. This is just a general introduction. Many problems can be solved using sequential progr

[Java core technology volume I (the ninth edition of the original book)] Chapter 1 collection, the ninth edition of core technology This chapter describes how to use the Java class library to help us implement the traditional data structure in programming. Here, we only introduce how to use the collection classes in t

Java basics-Learn from the context (01) and learn from the context of java 1. myeclipse is an eclipse plug-in. Developed in java. The process is javaw.exe -- started in non-command line mode. 2. companies that use these terms are often world-class and good companies. (Tec

Xiaokang will accompany you to learn JAVA -------- simple JAVA program, java -------- java Analyzes a simple and complete JAVA program Example: TestJava2_1.java 01 // TestJava2_1.

related to thinking, a proper understanding of the data structure is conducive to learning Java and javase.The third stage: the foundation of Javase Core Technology Java, is also Java's soul and Java tightly connected database. The most important javase, presumably we all know, Javase is the basic part of

Learn Java-6 from scratch. Execute operations repeatedly using loops and learn java-6 1. Use the for loop; 2. Use the while loop; 3. Use the do-while loop; 4. Early exit loop (break, continue ); 5. Name the loop. Program Nines: display the product of integers 1-and 9 1 package com.jsample; 2 3 public class Nines { 4

QuoteTo learn the spring framework of the technical insider, you must master some basic Java knowledge, is the so-called "ascend will inferiority, involved in the far must from you." The following Java knowledge is closely related to the spring framework, and it's important to learn (I'll introduce these

QuoteTo learn the spring framework of the technical insider, you must master some basic Java knowledge, is the so-called "ascend will inferiority, involved in the far must from you." The following Java knowledge is closely related to the spring framework, and it's important to learn (I'll introduce these

Deep Java core Java memory allocation principle explainingIntroduction: Stack, heap, Chang, although the same is the Java memory allocation operation area, but its scope of application and function is very different. This article will delve into the Java

QuoteTo learn the spring framework of the technical insider, you must master some basic Java knowledge, is the so-called "ascend will inferiority, involved in the far must from you." The following Java knowledge is closely related to the spring framework, and it's important to learn (I'll introduce these

and use the instanceof operator to judge that the first class that evaluates to TRUE is the one that the reference really points to.For example, the following example:Class person{}Class Student extends person{}Class Postgraduate extends student{}Class animal{}public class Instanceoftester {public static void Main (string[] args) {Instanceoftest (New Student ());}public static void Instanceoftest (person p) {Determine the True type of Pif (P instanceof postgraduate) {System.out.println ("P is a

studied Log4j, a log Processing Framework Application Junit: a good helper for unit testing Freemarker and velocity: two good template Engines Interaction with Flash Flex: Currently, many SNS applications use this technology. Web services: Do you want to know how the weather forecast of our forum works? Please pay attention to this technology SOA: Service-Oriented Architecture, one of the trends of future technological development ...... However, none of the above is the basis of J2EE and belon

Java is used to do the project! Java's main area of application is enterprise-level project development! To engage in enterprise-level project development, you need to master the following points: 1, master the basic steps of project development 2, with a strong object-oriented analysis and design skills 3, master use case driven, architecture as the core of the mainstream development method No one want

Deep Java core Java memory allocation principle explainingStack, heap, Chang, although the same is the Java memory allocation operation area, but its scope of application and function is very different. This article will delve into the Java

Learn to program, learn Java or Big data, Android? There are many students in the tangle, recently there are a lot of beginners to ask, learning big data, learning Spark, the company mainly use those languages to write, every hear this question, at least it is very good, prove that you have started to learn big data, a

Polymorphism is an important mechanism of Java object-oriented, this article will give you a detailed introduction to the Java language of the implementation of the principle and method of polymorphism, through a polymorphic point to bring more Java object-oriented interesting and practical knowledge.Polymorphism is an important mechanism for object-oriented prog

Java 7: Reading Notes on core technologies and best practices-java source code and byte code operations, java 7 Best Practices General process: developers write the java source code (. java)-> javac (compiler)->

easy to learn, because you do a few web sites will probably be able to put all the knowledge points together. So Java EE direction to say a good thing is called enterprise-level application development, said the harsh truth is to do the site. Of course not limited to making websites.For the Java EE direction of learning, the focus is to be able to skillfully use

, in the programming language, threading can be a love-hate paradox for programmers, which can greatly simplify the model, help programmers write powerful code, and, on the other hand, make our programs appear with a variety of bugs that can be difficult to reproduce in the development environment. Here the author based on the "Java Core technology" book and some Bovinlai to share with you on