linux如何查看工程jdk版本

1、查询Java版本号：

# java -version

java version “1.8.0_131”

Java(TM) SE Runtime Environment (build 1.8.0_131-b11)

Java HotSpot(TM) 64-Bit Server VM (build 25.131-b11, mixed mode)

2、查询PHP版本号：

# php -v

PHP 7.0.18-0ubun (cli) ( NTS )

Copyright (c) 1997-2017 The PHP Group

Zend Engine v3.0.0, Copyright (c) 1998-2017 Zend Technologies

with Zend OPcache v7.0.18-0ubun, Copyright (c) 1999-2017, by Zend Technologies

3、查询Apache版本号：

# apache2 -v

Server version: Apache (Ubuntu)

Server built: 2017-07-27T14:34:01

4、查询Nginx版本号：

# cd /usr/local/nginx/sbin

# ./nginx -v

nginx version: nginx

5、查询Tomcat版本号：

# cd /home/server/tomcat-dfs/bin

# .

Using CATALINA_BASE: /home/server/tomcat

Using CATALINA_HOME: /home/server/tomcat

Using CATALINA_TMPDIR: /home/server/tomcat/temp

Using jre_HOME: /usr/local

Using CLASSPATH: /home/server/tomcat/bin

Server version: Apache Tomca

Server built: Jun 21 2017 17:01:09 UTC

Server number: 8.5.16.0

OS Name: Linux

OS Version: 4.4.0-82-generic

Architecture: amd64

JVM Version: 1.8.0_131-b11

JVM Vendor: Oracle Corporation