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Match whitespace but not newlines
...eason, Perl \h differs from POSIX blank ([[:blank:]] in Perl, \p{Blank} in Java) and Java 8 \h. Admittedly, it's an edge case.
– Aleksandr Dubinsky
Feb 3 '16 at 18:07
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How to test if one java class extends another at runtime?
...https%3a%2f%2fstackoverflow.com%2fquestions%2f3504870%2fhow-to-test-if-one-java-class-extends-another-at-runtime%23new-answer', 'question_page');
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How to get a reversed list view on a list in Java?
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java.util.Deque has descendingIterator() - if your List is a Deque, you can use that.
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How to build jars from IntelliJ properly?
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You have to change manifest directory:
<project folder>\src\main\java
replace "java" with "resources"
<project folder>\src\main\resources
This is how it should look like:
Then you choose the dependencies what you want to be packed IN your jar, or NEAR your jar file
To build...
Why is it possible to recover from a StackOverflowError?
...le to continue execution even after a StackOverflowError has occurred in Java.
5 Answers
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Shell脚本编程30分钟入门 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ell自身（如Windows Explorer扩展开发）。
环境
shell编程跟java、php编程一样，只要有一个能编写代码的文本编辑器和一个能解释执行的脚本解释器就可以了。
OS
当前主流的操作系统都支持shell编程，本文档所述的shell编程是指Linu...
Run single test from a JUnit class using command-line
...low me to run a single test from a JUnit class using only command-line and java.
3 Answers
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How can I count the number of matches for a regex?
...tcher.find() does not find all matches, only the next match.
Solution for Java 9+
long matches = matcher.results().count();
Solution for Java 8 and older
You'll have to do the following. (Starting from Java 9, there is a nicer solution)
int count = 0;
while (matcher.find())
count++;
Btw,...
Singleton with Arguments in Java
...how I'd probably do it when coding. In C#, I'd just use properties though. Java, probably like this.
– Zack
Jun 26 '09 at 20:33
132
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No Exception while type casting with a null in java
... equal to "null"
I wondered where that is specified and looked it up the Java Specification:
The null reference can always be assigned or cast to any reference type (§5.2, §5.3, §5.5).
If the reference is null, it is converted to the string "null" (four ASCII characters n, u, l, l).
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