Unable to locate package oracle-java7-installer（出现错误 jdk1.7）-优快云博客

本文提供了一种解决方案来解决在Ubuntu上使用ppa:webupd8team/java安装Java时遇到的问题。通过一系列命令更新了软件源并成功安装了Oracle Java 7。

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Was installing Java today, this is an easy install thanks to " ppa:webupd8team/java", but when I tried it was not working, but has worked for me all this while. Little goggling around found me a solution. Here is full conversation if you wanted to have a look http://ubuntuforums.org/showthread.php?t=2048793

Installing JAVA on Ubuntu is simple. Do the below to add the repository and run the below command ' sudo apt-get install oracle-java7-installer' to install.

       C代码  
       
      
ahmed@ubuntu:~$ sudo add-apt-repository ppa:webupd8team/java  
ahmed@ubuntu:~$ sudo apt-get update  
ahmed@ubuntu:~$ sudo apt-get install oracle-java7-installer  
ahmed@ubuntu:~$ sudo apt-get install oracle-java7-installer  
Reading package lists... Done  
Building dependency tree         
Reading state information... Done  
E: Unable to locate package oracle-java7-installer  

Solution is to do the below.

       C代码  
       
      
ahmed@ubuntu:~$ sudo su  
root@ubuntu:~$ echo "deb http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" > /etc/apt/sources.list.d/webupd8team-java.list  
root@ubuntu:~$ echo "deb-src http://ppa.launchpad.net/webupd8team/java/ubuntu precise main" >> /etc/apt/sources.list.d/webupd8team-java.list  
root@ubuntu:~$ apt-key adv --keyserver keyserver.ubuntu.com --recv-keys EEA14886  
root@ubuntu:~$ apt-get update  
root@ubuntu:~$ apt-get install oracle-java7-installer  
root@ubuntu:~$ exit  
ahmed@ubuntu:~$   
ahmed@ubuntu:~$ java -version  
java version "1.7.0_60"  
Java(TM) SE Runtime Environment (build 1.7.0_60-b19)  
Java HotSpot(TM) 64-Bit Server VM (build 24.60-b09, mixed mode)  
ahmed@ubuntu:~$  