Java Fundamentals 1

Configure the appropriate environment variables after you install the JDK.

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Java_home

d:\jdk1.7 (JDK installation directory)

PATH

%java_home%\bin;< Original Path value >

CLASSPATH

.; %java_home%\lib\tools.jar; %java_home%\lib\dt.jar

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The premise is that we have entered the path to the code, because the subsequent use of the relative path

Javac # # #为编译java程序的命令 (Java compile)

-D Bin # # #是编译后生成的 the location where the. class file is stored,-D is the parameter Directroy

Src/helloworld.java # # #是源代码存放的相对路径

Java # # #是程序运行命令

-CP Bin # # #分别表示参数classpath, the path to run the program

HelloWorld # # #是程序名

Javac-d bin Src/packagedemo.java Src/dog.java Src/cat.java

JAVA-CP bin Org.westos.java.lesson1.PackageDemo//Recommended Use

*JAVA-CP bin Org/westos/java/lesson1/packagedemo

Java Fundamentals 1