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Why doesn't Java allow generic subclasses of Throwable?
According to the Java Language Sepecification , 3rd edition:
5 Answers
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Format LocalDateTime with Timezone in Java8
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The prefix "Local" in JSR-310 (aka java.time-package in Java-8) does not indicate that there is a timezone information in internal state of that class (here: LocalDateTime). Despite the often misleading name such classes like LocalDateTime or LocalTime have NO...
How to hash some string with sha256 in Java?
How can I hash some string with sha256 in Java? Does anybody know of any free library for this?
15 Answers
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Is it possible to read from a InputStream with a timeout?
...ite - it always returns the best value for the number of bytes available. Javadoc for InputStream.available():
Returns an estimate of the number of bytes that can be read (or skipped over)
from this input stream without blocking by the next invocation of a method for
this input stream.
An esti...
How to create a generic array in Java?
Due to the implementation of Java generics, you can't have code like this:
31 Answers
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Java 32-bit vs 64-bit compatibility
Will Java code built and compiled against a 32-bit JDK into 32-bit byte code work in a 64-bit JVM? Or does a 64-bit JVM require 64-bit byte code?
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Do spurious wakeups in Java actually happen?
... from Source and found it reasonable enough. Also read
Spurious wakeups in Java and how to avoid them.
PS: Above link is to my personal blog that has additional details about spurious wakeups.
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Create instance of generic type in Java?
Is it possible to create an instance of a generic type in Java? I'm thinking based on what I've seen that the answer is no ( due to type erasure ), but I'd be interested if anyone can see something I'm missing:
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:: (double colon) operator in Java 8
I was exploring the Java 8 source and found this particular part of code very surprising:
17 Answers
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What is the best way to filter a Java Collection?
I want to filter a java.util.Collection based on a predicate.
27 Answers
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