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Java Generics (Wildcards)
I have a couple of questions about generic wildcards in Java:
6 Answers
6
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How to represent empty char in Java Character class
I want to represent an empty character in Java as "" in String...
15 Answers
15
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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
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Ron Hitches in his excellent book Java NIO seems to offer what I thought could be a good answer to your question:
Operating systems perform I/O
operations on memory areas. These
memory areas, as far as the operating
system is concerned, are contiguo...
How can I convert tabs to spaces in every file of a directory?
...g those under svn, .git! Read the comments before using!
find . -iname '*.java' -type f -exec sed -i.orig 's/\t/ /g' {} +
The original file is saved as [filename].orig.
Replace '*.java' with the file ending of the file type you are looking for. This way you can prevent accidental corruption of b...
How to create a zip file in Java
...rName/mytext.txt");
You can find more information about compression with Java here.
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Understanding checked vs unchecked exceptions in Java
Joshua Bloch in " Effective Java " said that
21 Answers
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Likelihood of collision using most significant bits of a UUID in Java
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I thinks this is the best example for using randomUUID :
http://www.javapractices.com/topic/TopicAction.do?Id=56
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round up to 2 decimal places in java? [duplicate]
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did you import java.text.DecimalFormat; ?
– amitchhajer
Jul 28 '12 at 13:42
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Why doesn't the JVM cache JIT compiled code?
... to take resources from other projects. Given the choice between this and Java 8 lambda+streams I'd rather have the latter.
– Thorbjørn Ravn Andersen
Jan 1 '15 at 19:20
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How do I execute a program using Maven?
I would like to have a Maven goal trigger the execution of a java class. I'm trying to migrate over a Makefile with the lines:
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