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Java Reflection Performance
...oking up a class via reflection is, by magnitude, more expensive.
Quoting Java's documentation on reflection:
Because reflection involves types that are dynamically resolved, certain Java virtual machine optimizations can not be performed. Consequently, reflective operations have slower perform...
Import package.* vs import package.SpecificType [duplicate]
...rhead to write an import loading all the types within one package ( import java.* ); than just a specific type (i.e. import java.lang.ClassLoader )? Would the second one be a more advisable way to use than the other one?
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Is there a difference between single and double quotes in Java?
Is there a difference between single and double quotes in Java?
4 Answers
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Is there a way to dump a stack trace without throwing an exception in java?
I am thinking of creating a debug tool for my Java application.
10 Answers
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Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved
I just installed and re-installed IntelliJ. Every Java file is coming up RED. I checked the JDK; it is at 1.6.##. The maven clean install build worked just fine.
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Why is the clone() method protected in java.lang.Object?
What is the specific reason that clone() is defined as protected in java.lang.Object ?
11 Answers
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What is a good Java library to zip/unzip files? [closed]
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i got org.zeroturnaround.zip.ZipException: java.io.FileNotFoundException: images\001GL.JPG: open failed: EINVAL (Invalid argument) error
– Smit Patel
Jan 16 '14 at 11:30
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C# Set collection?
Does anyone know if there is a good equivalent to Java's Set collection in C#? I know that you can somewhat mimic a set using a Dictionary or a HashTable by populating but ignoring the values, but that's not a very elegant way.
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How to convert int[] into List in Java?
How do I convert int[] into List<Integer> in Java?
20 Answers
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Difference between String replace() and replaceAll()
What's the difference between java.lang.String 's replace() and replaceAll() methods,
other than later uses regex? For simple substitutions like, replace . with / ,
is there any difference?
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