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Difference between a “coroutine” and a “thread”?
...these concepts depending on the language or implementation.)
For example, Java had "green threads"; these were threads that were scheduled by the Java virtual machine (JVM) instead of natively on the underlying operating system's kernel threads. These did not run in parallel or take advantage of mu...
How to get the current time in YYYY-MM-DD HH:MI:Sec.Millisecond format in Java?
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@NickG Where is this toString(String format) method? The java.util.Date doesn't seem to have it. Are you referring to the Joda Time API? But one possible benefit is reuse of the same formatter object. Another is you don't have to add an API - Date class is a standard Java library c...
Declaring variables inside or outside of a loop
...this does not apply to your example, due to the immutability of strings in java: a new instance of str will always be created in the beginning of your loop and it will have to be thrown away at the end of it, so there is no possibility to optimize there.
EDIT: (injecting my comment below in the ans...
What is java pojo class, java bean, normal class? [duplicate]
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Normal Class: A Java class
Java Beans:
All properties private (use getters/setters)
A public no-argument constructor
Implements Serializable.
Pojo:
Plain Old Java Object is a Java object not bound by any restriction other than those for...
Evaluate if list is empty JSTL
...'s also the function tags, a bit more flexible:
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn" %>
<c:if test="${fn:length(list) > 0}">
And here's the tag documentation.
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Convert a JSON string to object in Java ME?
Is there a way in Java/J2ME to convert a string, such as:
14 Answers
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How to get the current date/time in Java [duplicate]
What's the best way to get the current date/time in Java?
28 Answers
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What is x after “x = x++”?
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@EmeraldWeapon It's defined in Java. It's only in C/C++ do you see that kind of shenanigans.
– Mysticial
Apr 24 '16 at 15:08
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Remove Item from ArrayList
...o use ListIterator remove() method for removing objects from Collection in Java, because there may be chance that another thread is modifying the same collection and could leads to ConcurrentModificationException.
– Min2
Jun 21 '18 at 3:05
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Environment variable to control java.io.tmpdir?
...cc writes it's temporary files, but I can't seem to find an equivalent for java's createTempFile API.
7 Answers
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