CMD run (packaged) Java program

 Package cn.imeixi.chapter1.exer;  Public class Exer10printargs {    publicstaticvoid  main (string[] args) {          for (int i = 0;i < args.length;i++) {            System.out.println ("args[" + i + "] =" + args[i]); 
    }                     }}

 
 First exer10printargs . Java to be placed in a subfolder. 
 For example exer10printargs . Java declaration belongs to package Cn.imeixi.chapter1.exer; 
   So you're going to put exer10printargs.java  put it in a call cn/imeixi/chapter1/exer   under the folder. 
 
 Compile, in the xxx folder   previous   src, then run 
   Javac ./cn/imeixi/chapter1/exer/exer10printargs.java "When compiling, Path with xxx/xxx/xxx " 

。
Run the time, also on the xxx folder on a layer , and then run
Java cn.imeixi.chapter1.exer. Exer10printargs  "When executing, package name with XXX.XXX.XXX"

SRC (home directory, all of your operations run here)  
|
/cn/imeixi/chapter1/exer/ (sub-folder for all source files belonging to XXX package)
|
Exer10printargs. java

CMD run (packaged) Java program