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What's the difference between == and .equals in Scala?
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Does it also apply when using Java libraries?
– Jus12
Oct 6 '11 at 22:50
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Uses for the Java Void Reference Type?
There is a Java Void -- uppercase V-- reference type . The only situation I have ever seen it used is to parameterize Callable s
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Assigning variables with dynamic names in Java
I'd like to assign a set of variables in java as follows:
7 Answers
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How to solve javax.net.ssl.SSLHandshakeException Error?
...ificate saved in a file, you need to add it to your JVM's trust store. At $JAVA_HOME/jre/lib/security/ for JREs or $JAVA_HOME/lib/security for JDKs, there's a file named cacerts, which comes with Java and contains the public certificates of the well-known Certifying Authorities. To import the new ce...
How Do I Document Packages in Java?
In the Java APIs I can see Javadoc comments for packages.
3 Answers
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Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
Let's say the bottleneck of my Java program really is some tight loops to compute a bunch of vector dot products. Yes I've profiled, yes it's the bottleneck, yes it's significant, yes that's just how the algorithm is, yes I've run Proguard to optimize the byte code, etc.
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Protected in Interfaces
... this loses the benefit of multiple implementations that interfaces get in Java, but honestly establishing a contract that adheres to limitations of some other package would be untestable and confusing, as you would not practically be able to access your own implementation's method outside of that p...
C++ equivalent of Java's toString?
... i.e. cout , for an object of a custom class. Is that possible in C++? In Java you could override the toString() method for similar purpose.
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Any implementation of Ordered Set in Java?
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Take a look at LinkedHashSet class
From Java doc:
Hash table and linked list implementation of the Set interface, with predictable iteration order. This implementation differs from HashSet in that it maintains a doubly-linked list running through all of its entri...
How do you specify the Java compiler version in a pom.xml file?
...er-plugin/examples/set-compiler-source-and-target.html
Oh, and: don't use Java 1.3.x, current versions are Java 1.7.x or 1.8.x
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