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Best implementation for hashCode method for a collection
...ses reasonable good implementation was proposed in Josh Bloch's Effective Java in Item 8 (second edition). The best thing is to look it up there because the author explains there why the approach is good.
A short version
Create a int result and assign a non-zero value.
For every field f tested i...
Can I replace groups in Java regex?
...ode, and I want to know, if I can replace only groups (not all pattern) in Java regex.
Code:
7 Answers
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What package naming convention do you use for personal/hobby projects in Java?
I'm already familiar with the standard Java package naming convention of using a domain name to create a unique package name (i.e. package com.stackoverflow.widgets ). However, I've never seen any recommendations for how to choose package names for personal projects. I assume because this is becaus...
Strip Leading and Trailing Spaces From Java String
... there a convenience method to strip any leading or trailing spaces from a Java String?
6 Answers
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How to get names of classes inside a jar file?
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Unfortunately, Java doesn't provide an easy way to list classes in the "native" JRE. That leaves you with a couple of options: (a) for any given JAR file, you can list the entries inside that JAR file, find the .class files, and then determ...
Java: What is the difference between and ?
...tializer) is marked as native... grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/…
– Cade Daniel
Apr 24 '18 at 20:52
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Double vs. BigDecimal?
...mal. Otherwise Doubles tend to be good enough.
I do recommend reading the javadoc of BigDecimal as they do explain things better than I do here :)
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How do I call one constructor from another in Java?
...structor parameters are used, consider a builder. See Item 2 of "Effective Java" by Joshua Bloch.
– koppor
Nov 13 '12 at 20:16
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Java Mouse Event Right Click
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I've seen
anEvent.isPopupTrigger()
be used before. I'm fairly new to Java so I'm happy to hear thoughts about this approach :)
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“implements Runnable” vs “extends Thread” in Java
From what time I've spent with threads in Java, I've found these two ways to write threads:
42 Answers
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