What is it like to write a bat script that compiles and executes java code with the next click of the cmd interface
The preparation of cmd interface one-click compilation, execution of java code bat script is like, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can get something.
This script is suitable for students who have just come into contact with java. Use jc instead of complex javac * .java + java main under the cmd interface:
Copy the content of the script into the txt text, modify the suffix to .bat, run it once to complete the configuration, and then type jc in the cmd interface to complete the compilation + execution.
Function: 1. Compile and execute the java file in the current directory
If you encounter multiple java files of the main function, you will be prompted and selected to execute
The bat code is as follows
@ echo off
If not exist% SystemRoot%\ system32\ choice.exe echo Sorry, the system lacks the necessary components to run the program and cannot continue & pause > nul&exit / b 1
If not exist% SystemRoot%\ jc.bat copy% 0% SystemRoot%\ jc.bat 1 > nul 2 > nul& echo configured successfully, using method jc & pause > nul&exit / b 0
Rem production date October 23,2015 xin3283@qq.com
Rem purpose: compile and execute java files in the current directory
Set jclog=%temp%\ javac.log
If exist jclog% 1 0 > jclog% 2 > nul
Javac * .java 2 >% jclog%
(for / f "skip=6 tokens=2 delims= files"% I in ('dir /-c% jclog%') do @ echo% I | findstr / v "directory") >% temp%\ jcSize.txt
Set / p size=nul
Set / a MainSum=MainSum-1
For / l%% ain (1JI% MainSum%) do (
Set mains%% aweed mains% aVug 0mu 6i!
)
If "% MainSum%" = = "0" (
Echo error: the main class cannot be found or cannot be loaded, please check the Main function
Exit / b 2
) else if "% MainSum%" = = "1" (
Java main1%
Exit / b 0
)
There are the following main functions in echo, select
For / l%% I in (1Jing 1J% MainSum%) do echo% ivy mains% ifu.java
Choice / c 123456789 / n
Java! main% errorlevel%!
Exit / b 0
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