java programmer ii

1. What is idea?Idea, Java Smart IDE.2. Why should I use it?The advantages of idea:1) Smart Selection2) Navigation mode3) historical records4) Refactoring5) Coding Aid6) Intelligent Typesetting, control7) Smart Code, find, navigate, edit, customizeSummary: Fast, search, analyze, locate, refactor, and efficiently3. How do I use it?1) Remote DebuggingTurn on remote debugging: Catalina.bat JPDA StartJava Remote Debugging2) Plugin modeTasksMyBatis3) Custo

How to become a Java champion programmer? But some programmers have been asking me for career advice. now I think it's time to write another article. As mentioned above, if you have a mind to look at other things-I have already begun recording the terrible food I have cooked on Heinz's Worst Recipes (the Worst recipe for Hines. It's caused by my strong desire to eat-it can be proved by my waist cir

an object's address in memory, so before the Hashcode () method is overridden, The Hashcode () method of any object is not equalUsage of 2.this and super①this keyword refers to the current instance object, he has a very important application is to distinguish the object's member variables and formal parameters.The ②super keyword can be used to access the methods and member variables of the parent class, if the child class has a method or member variable with the same name as the parent class, a

characters, symbols and so on in the computer language.Common computer languages such as C,c++,c#,java4 Man-Machine interactionGraphical interface: This method is simple and intuitive, the user is easy to accept, easy to operate.Command-line mode: You need to have a console, enter specific instructions, and let the computer do some work. More trouble, need to record some commands.5 keyboard function keys and shortcut keystab Jump Bar, ALT + TAB combination shortcut key, can be implemented in th

Java programmer interview book-I ++, java book-IWhat are the output results of the following programs? public class program2 { static { int x = 5; } static int x,y; public static void main(String[] args) { x--; myMethod(); System.out.println(x + y++ + x); } private static void myMethod() { y=x++ + ++x; }}The

Java multi-thread understanding, dark horse programmer, java Dark Horse Public class MultiThread {public static void main (String args []) {System. out. println ("I am the main thread! "); // Create a thread instance thread1 ThreadUseExtends thread1 = new ThreadUseExtends () below (); // when thread2 is created, Thread thread2 = new Thread (new ThreadUseRunnable

But some programmers friends have been asking me for career advice, and now I think it's time to write one more. Incidentally, if you have a mind to look at something else-I've started documenting the horrible food I've cooked on Heinz's worst Recipes (Heinz worst recipe). By my strong desire to eat-this can be proven by my waistline, cooking is a big hobby for me. I am far from being a qualified cook, because I never follow recipes, and many of the foods I cook are discarded in a state of "sadl

Use of the 1.finalize () method2.Java Sequence of program initializationTypes of variables in 3.Java4. Constructors5. Why some interface in Java have no methodWhat is the reflection mechanism in 6.javaHow many types of objects are created in 7.java8. What is the mechanism of polymorphic implementation, compile-time polymorphism, run-time polymorphism,9.overload and override differences, as well as individua

A good Java programmer must understand how the GC works, how to optimize GC performance, and how to interact with the GC in limited ways, because there are applications that have higher performance requirements, such as embedded systems, real-time systems, and so on, which can improve the performance of the entire application only if it improves the management efficiency of the memory completely.A good

More and more girls think programming is very interesting, Java language as a programming language is quite a programmer favorite language, a lot of girls interested in Java programming, want to become a female Java programmer, but a lot of people put forward: girls are not

roughly on so many foundations! It's simple! This for a real programmer should be not enough, the real multi-threaded to have some grasp, please study java.util.concurrent package it! Master Doug Lea's work, originally a repository of open source conformance programming, was later incorporated into the Java class Library by Sun. The author's website also has another version of the class library! A good thi

At present, Java is a developer's hot pet, many forums have a lot of love Java developers, but also many want to become Java programmers, but do not know how to learn, it is not clear what to learn what knowledge to become a Java programmer. I am here to talk about becoming

The IT industry is a particularly fast-growing area where each programmer undergoes an iterative process of updating various technologies and tools throughout his or her career.As the saying goes: 工欲善其事, its prerequisite. In the spirit of a single lele is not as many lele (in fact, their forgetfulness) I often want to use the software tools to the official collection together, convenient for everyone to learn progress together.Learn Reference site cla

Java programmer's daily work-experience stickers (pure dry goods), java programmers do goods The tasks encountered at work are complex, so there are many knowledge points involved. Now, let's record the knowledge points we met today. It's just dry ~File decompression and compression. If your system does not support the tar-z command If it is an old Unix system, you may not know the tar-Z command. If you wan

A.D. In 2050, there was only one Java programmer left in the world. you may have to ask, where are all the other people? The reason is simple, Java is declining.about 2030 years, there has been a language called X, it can do system-level development (operating system, database, compiler), but also to do server-side development, mobile phone, web-side is not easy.

Java programmer's daily work-experience stickers (pure dry goods), java programmers do goods The tasks encountered at work are complex, so there are many knowledge points involved. Now, let's record the knowledge points we met today. It's just dry ~File decompression and compression. If your system does not support the tar-z command If it is an old Unix system, you may not know the tar-Z command. If you wan

This is the employment situation of the Chengdu Intelligence Podcast Java Employment Class, please see the Chengdu Wisdom Podcast website for more details . : Http://cd.itcast.cn?140812ls name entry-level company Entry Salary (￥) Fang Classmate Ann * * Software Chengdu Co., Ltd. (Java) 6000.00 Classmate Lin Chuan * * United System Integratio

After the above, we are in the hands of Ubuntu can only be counted as an internet machine, nothing can do, this article we will toss it for the development machine.Here, we assume that you are a beginner to the Linux system, so this article will talk a little bit, the master will go left.1. InstallationFirst we determine if the Ubuntu system we installed is already installed in the Java environment.Enter the terminal, type the command Su, enter the ro

Java programmers are really high-income, life-nourishing, a lot of people want to become a programmer.But, after all, it's not easy to be a programmer. Some of the small partners are born without the "attributes" of their own programmers.So, what kinds of people may not be suitable for programmers? Here's a summary:1. No interest in programmingIn fact, to tell the truth, the last point is the most important

A soldier who doesn't want to be a general is not a good soldier, so every Java programmer should make himself better, to increase his core competence, and a non-enterprising Java programmer is easy to be eliminated by society. So how to become a good Java