Java 7 language features with Android
Just wondering if anyone has tried using new Java 7 language features with Android? I know that Android reads the bytecode that Java … Read more
java-7
How to set specific Java version to Maven?
On my machine I have two Java versions installed: (1.6 and 1.7 installed manually by me). I need both of them for different … Read more
Is “Java Concurrency In Practice” still valid? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question … Read more
Recursively list files in Java
How do I recursively list all files under a directory in Java? Does the framework provide any utility? I saw a lot of … Read more
Create a Path from String in Java7
How can I create a java.nio.file.Path object from a String object in Java 7? I.e. String textPath = “c:/dir1/dir2/dir3”; Path path = ?; … Read more
Installed Java 7 on Mac OS X but Terminal is still using version 6
I’ve installed JDK 7u7 downloaded from oracle’s website. But after installation, the terminal is still showing java version 6 $java -version java version … Read more
What is the point of the diamond operator () in Java?
The diamond operator in java 7 allows code like the following: List<String> list = new LinkedList<>(); However in Java 5/6, I can simply … Read more
No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
I’m compiling a project in Eclipse using m2eclipse. I set the JDK path in Eclipse like this: Windows–>preferences–>installed jres–> jdk1.7.xx path But this … Read more
Exception in thread “main” java.lang.UnsupportedClassVersionError: a (Unsupported major.minor version 51.0)
Exception in thread “main” java.lang.UnsupportedClassVersionError: a (Unsupported major.minor version 51.0)
Java error: Comparison method violates its general contract
The exception message is actually pretty descriptive. The contract it mentions is transitivity: if A > B and B > C then for … Read more