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java.lang.OutOfMemoryError: Java heap space in Maven
When I run maven test, java.lang.OutOfMemoryError happens. I googled it for solutions and have tried to export MAVEN_OPTS=-Xmx1024m , but it did not work.
Anyone know other solutions for this problem? I am using maven 3.0
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Can we make unsigned byte in Java
...d byte in unsigned. The problem is the data I am receiving is unsigned and Java does not support unsigned byte, so when it reads the data it treats it as signed.
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What data type to use for money in Java? [closed]
What data type should you use for money in Java?
11 Answers
11
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Differences between Oracle JDK and OpenJDK
...ly by Oracle only.
OpenJDK and Oracle JDK are implementations of the same Java specification passed the TCK (Java Technology Certification Kit).
Most of the vendors of JDK are written on top of OpenJDK by doing a few tweaks to [mostly to replace licensed proprietary parts / replace with more high-...
How to convert an Array to a Set in Java
I would like to convert an array to a Set in Java. There are some obvious ways of doing this (i.e. with a loop) but I would like something a bit neater, something like:
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What is the C# equivalent to Java's isInstance()?
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The equivalent of Java’s obj.getClass().isInstance(otherObj) in C# is as follows:
bool result = obj.GetType().IsAssignableFrom(otherObj.GetType());
Note that while both Java and C# work on the runtime type object (Java java.lang.Class ≣...
Java: Equivalent of Python's range(int, int)?
Does Java have an equivalent to Python's range(int, int) method?
13 Answers
13
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Should I use Java date and time classes or go with a 3rd party library like Joda Time?
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EDIT: Now that Java 8 has been released, if you can use that, do so! java.time is even cleaner than Joda Time, in my view. However, if you're stuck pre-Java-8, read on...
Max asked for the pros and cons of using Joda...
Pros:
It works, ...
Why doesn't Java allow overriding of static methods?
...s so the concept is not applicable.
There were two considerations driving Java's design that impacted this. One was a concern with performance: there had been a lot of criticism of Smalltalk about it being too slow (garbage collection and polymorphic calls being part of that) and Java's creators we...
Java string to date conversion
...t way to convert a String in the format 'January 2, 2010' to a Date in Java?
15 Answers
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