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Redeploy alternatives to JRebel [closed]
... at runtime. The features of DCEVM may be integrated in a future update of Java as part of JEP 159.
The binaries available on the original site are limited to Java 6u25 and to early versions of Java 7. The project has been forked on Github and supports recent versions of Java 7 and 8. The maintaine...
“new” keyword in Scala
...w keyword when creating objects in Scala? Is it when we try to instantiate Java objects only?
3 Answers
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Java: how do I get a class literal from a generic type?
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You can't due to type erasure.
Java generics are little more than syntactic sugar for Object casts. To demonstrate:
List<Integer> list1 = new ArrayList<Integer>();
List<String> list2 = (List<String>)list1;
list2.add("foo"); // perf...
Is it possible to cast a Stream in Java 8?
Is it possible to cast a stream in Java 8? Say I have a list of objects, I can do something like this to filter out all the additional objects:
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How to convert Java String into byte[]?
Is there any way to convert Java String to a byte[] ( not the boxed Byte[] )?
8 Answers
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Where are static methods and static variables stored in Java?
...differ between versions of the same JVM. The above is based on HotSpot for Java 5 and 6 (those are basically the same) since at the time of answering I'd say that most people used those JVMs. Due to major changes in the memory model as of Java 8, the statements above might not be true for Java 8 Hot...
How to do exponentiation in clojure?
...r function that works well: I'd recommend using this rather than going via Java interop since it handles all the Clojure arbitrary-precision number types correctly. It is in namespace clojure.math.numeric-tower.
It's called expt for exponentiation rather than power or pow which maybe explains why i...
How to get VM arguments from inside of Java application?
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With this code you can get the JVM arguments:
import java.lang.management.ManagementFactory;
import java.lang.management.RuntimeMXBean;
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RuntimeMXBean runtimeMxBean = ManagementFactory.getRuntimeMXBean();
List<String> arguments = runtimeMxBean.getInputArguments();
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What is the advantage of using abstract classes instead of traits?
... have constructor parameters
Abstract classes are fully interoperable with Java. You can call them from Java code without any wrappers. Traits are fully interoperable only if they do not contain any implementation code
shar...
Can a java file have more than one class?
What is the purpose of having more than one class in a Java file ? I am new to Java.
18 Answers
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