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Unable to install Maven on Windows: “JAVA_HOME is set to an invalid directory”

... The problems are to do with your paths. Make sure that the directory "E:\java resources\apache-maven-2.2.0\bin" is on your command search path. Make sure that the JAVA_HOME variable refers to the home directory for your Java installation. If you are executing Java from "E:\Sun\SDK\jdk\bin", then...
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How to set JAVA_HOME environment variable on Mac OS X 10.9?

... Literally all you have to do is: echo export "JAVA_HOME=\$(/usr/libexec/java_home)" >> ~/.bash_profile and restart your shell. If you have multiple JDK versions installed and you want it to be a specific one, you can use the -v flag to java_home like so: echo e...
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How do I find where JDK is installed on my windows machine?

... If you are using Linux/Unix/Mac OS X: Try this: $ which java Should output the exact location. After that, you can set JAVA_HOME environment variable yourself. In my computer (Mac OS X - Snow Leopard): $ which java /usr/bin/java $ ls -l /usr/bin/java lrwxr-xr-x 1 root wheel...
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Detect if Android device has Internet connection

... at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1273) at java.net.InetAddress.lookupHostByName(InetAddress.java:431) ...
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Map enum in JPA with fixed values?

...ing the name also assumes you are using the same naming convention in both Java and the database. Take gender for example. That might be defined as simply 'M' or 'F' in the database but that shouldn't prevent me from using Gender.MALE and Gender.FEMALE in Java, instead of Gender.M or Gender.F. ...
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How can I use pointers in Java?

I know Java doesn't have pointers, but I heard that Java programs can be created with pointers and that this can be done by the few who are experts in java. Is it true? ...
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javac : command not found

I have installed java in my CentOS release 5.5 machine using the command yum install java . But I am unable to compile a class using javac. ...
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How to implement Enums in Ruby?

...idiom in Ruby? I'm looking for something which I can use (almost) like the Java/C# enums. 25 Answers ...
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What are the differences between “generic” types in C++ and Java?

Java has generics and C++ provides a very strong programming model with template s. So then, what is the difference between C++ and Java generics? ...
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How to compare dates in Java? [duplicate]

How do I compare dates in between in Java? 11 Answers 11 ...