How to run java class file

Methods for running java class files: 1. Execute the class file with the main method, the command line is [java]; 2. The executed class file is packaged, use [package] in the class file ], the command line is [java .CLASS]. 文件名>

Run the java class file method:

Execute the main method class file, the command line is:

java <CLASS文件名>

Note: Do not include the file suffix .class

in the CLASS file name. For example:

The code is as follows:

java Test

If the executed class file is packaged, that is, it is used in the class file: package <package name>

It should be under the base path of the package Execution, command line:

java <包名>.CLASS文件名

For example: in PackageTest.java, the package name is: com.ee2ee.test, the corresponding statement is:

package com.ee2ee.test;

PackageTest.java and the compiled class The storage directory of the file PackageTest.class is as follows:

classes
  |__com
      |__ee2ee
           |__test
                |__PackageTest.java
                |__PackageTest.class

To run PackageTest.class, it should be executed in the classes directory:

The code is as follows:

java com.ee2ee.test.PackageTest

Related learning Recommended: java basic tutorial

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