First install JAVA development environment, wrote HELLO JDK, HELLO INTELLJ IDEA.

Today install JAVA development environment: first inspected the IDE common to the market, there are basically ECLIPSE, NETBEANS, JBUILDER, JCREATOR, INTELLIJ IDEA, VISUAL CAFE. . . . . . Really too much, and that it does not exist, as in C + + VC as the Dongdong, under generally read like INTELLIJ IDEA Yes, users, the key point is that many people say that the development environment is very beautiful, huh, that is, it, and even to download a fee is charged, to register Oh, okay However, the Internet is more than a registration key, like a $ 499 sold, anyway by D version for a long time, do not think too much blush. Installed after the beginning of the establishment of the first project, (the interface is really very beautiful, much better than the VC6) to choose JDK, which do not know under, the so-called IDE, how will not JDK? JDK again for keywords, he no longer saw the article, at least know how installed JDK, from the official site under the JAVA JDK installation. . . NEXT way, the results of the first javac HelloWorld.java problems, and that it can not find javac, but the problem is that I will make a java tips into the ah, how do javac there will be problems, I am under the JDK absolutely authentic, the environment variable settings also should not be a problem, then went to CSDN consulted about the original process is the installation will be installed JDK JRE, if JRE JDK installation path with the same words JRE JDK will cover certain things in the swap, also said that access to information from the JDK 1.5 do not have to start setting JAVA_HOME, CLASSPATH, can be only a modification of PATH, then turn the JDK unloading heavy equipment, the installation process of the election JRE not really OK, smoothly produced Hello World. INTELLIJ IDEA and then engage in the preparations for new projects with the newly elected TIGER Unexpectedlyçž§è§above one can choose their own JDK INTELLIJ, (and then chose it useless TIGER, all the way down, and come up HELLO WORLD come, in this first here tomorrow Zailong. right, JETBRAINS the official website, there is a good flash manuals teach you download and install, until HELLO WORLD come first, and on the dubbing (E text ), quite good here: http://www.jetbrains.com/idea/training/demos/rob/hello_idea.html
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