安装配置Java环境很简单，本人试验的是Ubuntu 7.10平台，打开终端，应该知道终端在哪儿吧！输入如下命令：
sudo apt-get install sun-java6-jre
然后一切安装提示操作！下面的提示新手注意下：
安装过程中会出现蓝色背景的窗口，有红色字提示"正在设置sun-java6-jre", 屏幕下面有个"确定"两字,但是点击不了。
具体如下：
────────────────────────┤ 正在设定 sun-java6-jre ├───────────────┐
│ │
│ Operating System Distributor License for Java v1.1 (DLJ) ↑
│
│ Operating System Distributor License for Java version 1.1 (DLJ)
│
│ SUN MICROSYSTEMS, INC. ("SUN") IS WILLING TO LICENSE THE JAVA PLATFORM
│ STANDARD EDITION DEVELOPER KIT ("JDK" - THE "SOFTWARE") TO YOU ONLY UPON
│ THE CONDITION THAT YOU ACCEPT ALL OF THE TERMS CONTAINED IN THIS LICENSE
│ AGREEMENT (THE "AGREEMENT"). PLEASE READ THE AGREEMENT CAREFULLY. BY
│ INSTALLING, USING, OR DISTRIBUTING THIS SOFTWARE, YOU ACCEPT ALL OF THE
│ TERMS OF THE AGREEMENT.
│
│ 1. DEFINITIONS. "Software" means the code identified above in binary
│ form, any other machine readable materials including, but not
│ limited to, libraries, source files, header files, and data files), ↓
│
│ │ <确定>
│
────────────────────────────────────────────────────┐
解决办法 ： 用tab键切换到那个确定上去. 变红后按回车即可！
然后会再次出现如下画面：