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What are the pros and cons of the leading Java HTML parsers? [closed]
Searching SO and Google, I've found that there are a few Java HTML parsers which are consistently recommended by various parties. Unfortunately it's hard to find any information on the strengths and weaknesses of the various libraries. I'm hoping that some people have spent some comparing these libr...
How to do the equivalent of pass by reference for primitives in Java
This Java code:
6 Answers
6
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Can I multiply strings in Java to repeat sequences? [duplicate]
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The easiest way in plain Java with no dependencies is the following one-liner:
new String(new char[generation]).replace("\0", "-")
Replace generation with number of repetitions, and the "-" with the string (or char) you want repeated.
All this do...
What is a daemon thread in Java?
Can anybody tell me what daemon threads are in Java ?
26 Answers
26
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junit & java : testing non-public methods [duplicate]
...red for protected actually, if your class under test is in src/box/of/Cats.java, in your test project put the test class to src/box/of/CatsTest.java and link the projects. That way your test classes seem to be in same package and thus can access each other's protected methods.
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What makes JNI calls slow?
I know that 'crossing boundaries' when making a JNI call in Java is slow.
3 Answers
3
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Good Hash Function for Strings
... computinglife.wordpress.com/2008/11/20/… explaining why 31 was used for Java string hashing. There is no mathematical proof given, but it does explain the general concept as to why primes work better.
– Pharap
Sep 24 '13 at 0:39
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How to format strings in Java
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In addition to String.format, also take a look java.text.MessageFormat. The format less terse and a bit closer to the C# example you've provided and you can use it for parsing as well.
For example:
int someNumber = 42;
String someString = "foobar";
Object[] args = ...
Why not use java.util.logging?
... the first time in my life I find myself in a position where I'm writing a Java API that will be open sourced. Hopefully to be included in many other projects.
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How to format Joda-Time DateTime to only mm/dd/yyyy?
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Note that in JAVA SE 8 a new java.time (JSR-310) package was introduced. This replaces Joda time, Joda users are advised to migrate. For the JAVA SE ≥ 8 way of formatting date and time, see below.
Joda time
Create a DateTimeFormatter us...