centos6.4中安装java,编译和运行java的一个例子

centos6.4中安装java,编译和运行java的一个例子

其中java 代码如下：

public class hello
{
public static void main(String[] agrs)
{
System.out.print("first java program hello world\r\n");
}
}

[root@hsgpc dev]# pwd

/dev

[root@hsgpc /]# useradd h

[root@hsgpc /]# cd home

[root@hsgpc home]# ls

h hsg lost+found

[root@hsgpc home]# passwd h

[root@hsgpc home]# su h

[h@hsgpc home]$ ls

h hsg lost+found

[h@hsgpc home]$ pwd

/home

[h@hsgpc home]$ su hsg

密码：

[hsg@hsgpc home]$ su h

密码：

[h@hsgpc home]$ ls

h hsg lost+found

[h@hsgpc home]$ pwd

/home

[h@hsgpc home]$ ls

h hsg lost+found

[h@hsgpc home]$ userdel h

bash: /usr/sbin/userdel: 权限不够

[h@hsgpc home]$ su root

密码：

[root@hsgpc home]# pwd

/home

[root@hsgpc home]# userdel h

userdel: user h is currently used by process 12658

[root@hsgpc home]# ls

h hsg lost+found

[root@hsgpc home]# su hsg

[hsg@hsgpc home]$ pwd

/home

[hsg@hsgpc home]$ userdel h

bash: /usr/sbin/userdel: 权限不够

[hsg@hsgpc home]$ su root

密码：

[root@hsgpc home]# userdel h

userdel: user h is currently used by process 12658

[root@hsgpc home]# userdel -r h

userdel: user h is currently used by process 12658

[root@hsgpc home]# exit

exit

[hsg@hsgpc home]$ exit

exit

[root@hsgpc home]# exit

exit

[h@hsgpc home]$ exit

exit

[hsg@hsgpc home]$ exit

exit

[h@hsgpc home]$ exit

exit

[root@hsgpc home]# userdel h

[root@hsgpc home]# ls

h hsg lost+found

[root@hsgpc home]# userdel -r h

userdel: user 'h' does not exist

[root@hsgpc home]# useradd h

useradd：警告：此主目录已经存在。

不从 skel 目录里向其中复制任何文件。

正在创建信箱文件: 文件已存在

[root@hsgpc home]# ls

h hsg lost+found

[root@hsgpc home]# pwd

/home

[root@hsgpc home]# ls

h hsg lost+found

[root@hsgpc home]# userdel -r h

[root@hsgpc home]# ls

hsg lost+found

[root@hsgpc home]# cd hsg

[root@hsgpc hsg]# ls -l

总用量 18524

-rw-r--r--. 1 root root 10 11月 22 21:05 hello.java

-rwxrw-r--. 1 hsg hsg 79010 11月 23 2015 install_chrome.sh

-rw-rw-r--. 1 hsg hsg 79010 11月 23 2015 install_chrome.sh~

-rw-rw-r--. 1 hsg hsg 6858 11月 22 18:53 Linux学习之CentOS(二)--初识linux的一些常用命令.txt

-rw-rw-r--. 1 hsg hsg 1393 11月 23 2015 RedHat&CentOS 6.4安装谷歌浏览器chrome.txt

-rw-rw-r--. 1 hsg hsg 18746570 11月 23 2015 sogoupinyin_2.0.0.0068_i386.deb

-rw-rw-r--. 1 hsg hsg 0 11月 22 2015 test.txt

drwxr-xr-x. 2 hsg hsg 4096 11月 22 2015 公共的

drwxr-xr-x. 2 hsg hsg 4096 11月 22 2015 模板

drwxr-xr-x. 2 hsg hsg 4096 11月 22 2015 视频

drwxr-xr-x. 2 hsg hsg 4096 11月 22 2015 图片

drwxr-xr-x. 2 hsg hsg 4096 11月 22 2015 文档

drwxr-xr-x. 2 hsg hsg 4096 11月 23 2015 下载

-rw-rw-r--. 1 hsg hsg 6858 11月 22 18:53 新文件~

drwxr-xr-x. 2 hsg hsg 4096 11月 22 2015 音乐

drwxr-xr-x. 2 hsg hsg 4096 11月 22 19:50 桌面

[root@hsgpc hsg]# clear

[root@hsgpc hsg]# vi hello.java

[root@hsgpc hsg]# gedit hello.java

[root@hsgpc hsg]# vi hello.java

[root@hsgpc hsg]# gedit hello.java

[root@hsgpc hsg]# javac hello.java

bash: javac: command not found

[root@hsgpc hsg]# bash

[root@hsgpc hsg]# sudo install java

install: 在"java" 后缺少了要操作的目标文件

请尝试执行"install --help"来获取更多信息。

[root@hsgpc hsg]# yum install java

已加载插件：fastestmirror, refresh-packagekit, security

设置安装进程

Loading mirror speeds from cached hostfile

* base: centos.ustc.edu.cn

* extras: mirrors.aliyun.com

* updates: mirror.bit.edu.cn

包 1:java-1.7.0-openjdk-1.7.0.91-2.6.2.2.el6_7.x86_64 已安装并且是最新版本

无须任何处理

[root@hsgpc hsg]# yum list installed :grep java

已加载插件：fastestmirror, refresh-packagekit, security

Loading mirror speeds from cached hostfile

* base: centos.ustc.edu.cn

* extras: mirrors.aliyun.com

* updates: mirror.bit.edu.cn

错误：没有匹配的软件包可以列出

[root@hsgpc hsg]# yum list installed |grep java

java-1.6.0-openjdk.x86_64

java-1.7.0-openjdk.x86_64

tzdata-java.noarch 2015g-2.el6 @updates

[root@hsgpc hsg]# ping www.baidu.com

PING www.a.shifen.com (180.97.33.108) 56(84) bytes of data.

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=1 ttl=53 time=39.8 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=2 ttl=53 time=40.2 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=3 ttl=53 time=38.9 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=4 ttl=53 time=40.0 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=5 ttl=53 time=39.3 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=6 ttl=53 time=39.5 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=7 ttl=53 time=39.8 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=8 ttl=53 time=39.1 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=9 ttl=53 time=41.0 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=10 ttl=53 time=38.9 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=11 ttl=53 time=39.3 ms

64 bytes from sp3.baidu.com (180.97.33.108): icmp_seq=12 ttl=53 time=39.6 ms

^C

--- www.a.shifen.com ping statistics ---

12 packets transmitted, 12 received, 0% packet loss, time 11686ms

rtt min/avg/max/mdev = 38.921/39.675/41.056/0.601 ms

[root@hsgpc hsg]# yum -y list java*

已加载插件：fastestmirror, refresh-packagekit, security

Loading mirror speeds from cached hostfile

* base: centos.ustc.edu.cn

* extras: mirrors.aliyun.com

* updates: mirror.bit.edu.cn

已安装的软件包

java-1.6.0-openjdk.x86_64 1:1.6.0.37-1.13.9.4.el6_7 @updates

java-1.7.0-openjdk.x86_64 1:1.7.0.91-2.6.2.2.el6_7 @updates

可安装的软件包

java-1.5.0-gcj.x86_64 1.5.0.0-29.1.el6 base

java-1.5.0-gcj-devel.x86_64 1.5.0.0-29.1.el6 base

java-1.5.0-gcj-javadoc.x86_64 1.5.0.0-29.1.el6 base

java-1.5.0-gcj-src.x86_64 1.5.0.0-29.1.el6 base

java-1.6.0-openjdk-demo.x86_64 1:1.6.0.37-1.13.9.4.el6_7 updates

java-1.6.0-openjdk-devel.x86_64 1:1.6.0.37-1.13.9.4.el6_7 updates

java-1.6.0-openjdk-javadoc.x86_64 1:1.6.0.37-1.13.9.4.el6_7 updates

java-1.6.0-openjdk-src.x86_64 1:1.6.0.37-1.13.9.4.el6_7 updates

java-1.7.0-openjdk-demo.x86_64 1:1.7.0.91-2.6.2.2.el6_7 updates

java-1.7.0-openjdk-devel.x86_64 1:1.7.0.91-2.6.2.2.el6_7 updates

java-1.7.0-openjdk-javadoc.noarch 1:1.7.0.91-2.6.2.2.el6_7 updates

java-1.7.0-openjdk-src.x86_64 1:1.7.0.91-2.6.2.2.el6_7 updates

java-1.8.0-openjdk.x86_64 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-debug.x86_64 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-demo.x86_64 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-demo-debug.x86_64 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-devel.x86_64 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-devel-debug.x86_64 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-headless.x86_64 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-headless-debug.x86_64 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-javadoc.noarch 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-javadoc-debug.noarch 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-src.x86_64 1:1.8.0.65-0.b17.el6_7 updates

java-1.8.0-openjdk-src-debug.x86_64 1:1.8.0.65-0.b17.el6_7 updates

java_cup.x86_64 1:0.10k-5.el6 base

java_cup-javadoc.x86_64 1:0.10k-5.el6 base

java_cup-manual.x86_64 1:0.10k-5.el6 base

javacc.x86_64 4.1-0.5.el6 base

javacc-demo.x86_64 4.1-0.5.el6 base

javacc-manual.x86_64 4.1-0.5.el6 base

javassist.noarch 3.9.0-6.el6 base

javassist-javadoc.noarch 3.9.0-6.el6 base

[root@hsgpc hsg]# yum -y install java-1.7.0-openjdk*

已加载插件：fastestmirror, refresh-packagekit, security

设置安装进程

Loading mirror speeds from cached hostfile

* base: centos.ustc.edu.cn

* extras: mirrors.aliyun.com

* updates: mirror.bit.edu.cn

包 1:java-1.7.0-openjdk-1.7.0.91-2.6.2.2.el6_7.x86_64 已安装并且是最新版本

解决依赖关系

--> 执行事务检查

---> Package java-1.7.0-openjdk-demo.x86_64 1:1.7.0.91-2.6.2.2.el6_7 will be 安装

---> Package java-1.7.0-openjdk-devel.x86_64 1:1.7.0.91-2.6.2.2.el6_7 will be 安装

---> Package java-1.7.0-openjdk-javadoc.noarch 1:1.7.0.91-2.6.2.2.el6_7 will be 安装

---> Package java-1.7.0-openjdk-src.x86_64 1:1.7.0.91-2.6.2.2.el6_7 will be 安装

--> 完成依赖关系计算

依赖关系解决

=======================================================================================

软件包 架构 版本 仓库 大小

=======================================================================================

正在安装:

java-1.7.0-openjdk-demo x86_64 1:1.7.0.91-2.6.2.2.el6_7 updates 1.9 M

java-1.7.0-openjdk-devel x86_64 1:1.7.0.91-2.6.2.2.el6_7 updates 9.5 M

java-1.7.0-openjdk-javadoc noarch 1:1.7.0.91-2.6.2.2.el6_7 updates 16 M

java-1.7.0-openjdk-src x86_64 1:1.7.0.91-2.6.2.2.el6_7 updates 39 M

事务概要

=======================================================================================

Install 4 Package(s)

总下载量：66 M

Installed size: 315 M

下载软件包：

(1/4): java-1.7.0-openjdk-demo-1.7.0.91-2.6.2.2.el6_7.x86_64.rp | 1.9 MB 00:02

(2/4): java-1.7.0-openjdk-devel-1.7.0.91-2.6.2.2.el6_7.x86_64.r | 9.5 MB 00:10

(3/4): java-1.7.0-openjdk-javadoc-1.7.0.91-2.6.2.2.el6_7.noarch | 16 MB 00:15

(4/4): java-1.7.0-openjdk-src-1.7.0.91-2.6.2.2.el6_7.x86_64.rpm | 39 MB 00:34

---------------------------------------------------------------------------------------

总计 1.0 MB/s | 66 MB 01:03

运行 rpm_check_debug

执行事务测试

事务测试成功

执行事务

正在安装 : 1:java-1.7.0-openjdk-src-1.7.0.91-2.6.2.2.el6_7.x86_64 1/4

正在安装 : 1:java-1.7.0-openjdk-javadoc-1.7.0.91-2.6.2.2.el6_7.noarch 2/4

正在安装 : 1:java-1.7.0-openjdk-demo-1.7.0.91-2.6.2.2.el6_7.x86_64 3/4

正在安装 : 1:java-1.7.0-openjdk-devel-1.7.0.91-2.6.2.2.el6_7.x86_64 4/4

Verifying : 1:java-1.7.0-openjdk-devel-1.7.0.91-2.6.2.2.el6_7.x86_64 1/4

Verifying : 1:java-1.7.0-openjdk-demo-1.7.0.91-2.6.2.2.el6_7.x86_64 2/4

Verifying : 1:java-1.7.0-openjdk-javadoc-1.7.0.91-2.6.2.2.el6_7.noarch 3/4

Verifying : 1:java-1.7.0-openjdk-src-1.7.0.91-2.6.2.2.el6_7.x86_64 4/4

已安装:

java-1.7.0-openjdk-demo.x86_64 1:1.7.0.91-2.6.2.2.el6_7

java-1.7.0-openjdk-devel.x86_64 1:1.7.0.91-2.6.2.2.el6_7

java-1.7.0-openjdk-javadoc.noarch 1:1.7.0.91-2.6.2.2.el6_7

java-1.7.0-openjdk-src.x86_64 1:1.7.0.91-2.6.2.2.el6_7

完毕！

[root@hsgpc hsg]# java -version

java version "1.7.0_91"

OpenJDK Runtime Environment (rhel-2.6.2.2.el6_7-x86_64 u91-b00)

OpenJDK 64-Bit Server VM (build 24.91-b01, mixed mode)

[root@hsgpc hsg]# javac

用法: javac <options> <source files>

.....

[root@hsgpc hsg]# pwd

/home/hsg

[root@hsgpc hsg]# javac hello.java

hello.java:1: 错误: 类helloworld是公共的, 应在名为 helloworld.java 的文件中声明

public class helloworld

^

1 个错误

[root@hsgpc hsg]# vi hello.java

[root@hsgpc hsg]# gedit hello.java

[root@hsgpc hsg]# javac hello.java

[root@hsgpc hsg]# java hello

错误: 在类 hello 中找不到主方法, 请将主方法定义为:

public static void main(String[] args)

[root@hsgpc hsg]# gedit hello.java

[root@hsgpc hsg]# javac hello.java

[root@hsgpc hsg]# java hello

[root@hsgpc hsg]# java hello

first java program hello world[root@hsgpc hsg]# gedit hello.java

[root@hsgpc hsg]# javac hello.java

[root@hsgpc hsg]# java hello

first java program hello world

[root@hsgpc hsg]# ^C

[root@hsgpc hsg]#

[root@hsgpc hsg]# ls

hello.class 公共的

hello.java 模板

hello.java~ 视频

install_chrome.sh 图片

install_chrome.sh~ 文档

Linux学习之CentOS(二)--初识linux的一些常用命令.txt 下载

RedHat&CentOS 6.4安装谷歌浏览器chrome.txt 新文件~

sogoupinyin_2.0.0.0068_i386.deb 音乐

test.txt 桌面

test.txt~

[root@hsgpc hsg]#