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After Installing Java JDK 7 For Mac OS X - mvn -version still shows java version 1.6.0_31

Oracle released Java JDK 7 on April 26 for Mac OS X. I followed the install instructions and when I do java -version in a terminal window I get: ...
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What is the difference between JVM, JDK, JRE & OpenJDK?

... JVM The Java Virtual Machine (JVM) is the virtual machine that runs the Java bytecodes. The JVM doesn't understand Java source code; that's why you need compile your *.java files to obtain *.class files that contain the bytecodes und...
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Just what is Java EE really? [closed]

Java EE has this "mysterious shroud" around it for younger Java developers - one that I've been trying to lift myself for quite a while with little success. ...
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Calling startActivity() from outside of an Activity?

...what you want? at android.app.ContextImpl.startActivity(ContextImpl.java:1597) at android.app.ContextImpl.startActivity(ContextImpl.java:1584) at android.content.ContextWrapper.startActivity(ContextWrapper.java:337) at android.text.style.URLSpan.onClick(URLSpan.java:62) ...
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home

... I think JAVA_HOME is the best you can do. The command-line tools like java and javac will respect that environment variable, you can use /usr/libexec/java_home -v '1.7*' to give you a suitable value to put into JAVA_HOME in order to...
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How do I diff the same file between two different commits on the same branch?

...g that if you are in your project root folder $git difftool HEAD:src/main/java/com.xyz.test/MyApp.java HEAD^:src/main/java/com.xyz.test/MyApp.java You should have the following entries in your ~/.gitconfig or in project/.git/config file. Install the p4merge [This is my preferred diff and merge to...
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Why is the JVM stack-based and the Dalvik VM register-based?

... There are a few attributes of a stack-based VM that fit in well with Java's design goals: A stack-based design makes very few assumptions about the target hardware (registers, CPU features), so it's easy to implement a VM on a wide variety of hardware. Since the operands for instructions are...
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object

When running any java application, or just 'java', the jvm fails: 27 Answers 27 ...
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How to get current timestamp in string format in Java? “yyyy.MM.dd.HH.mm.ss”

How to get timestamp in string format in Java? "yyyy.MM.dd.HH.mm.ss" 7 Answers 7 ...
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Installing Java on OS X 10.9 (Mavericks)

...tain Lion). When I upgraded it to Mac OS X v10.9 (Mavericks) and ran java -version in the terminal, it showed: 11 An...