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Run jar file in command prompt [duplicate]
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Try this
java -jar <jar-file-name>.jar
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How to set IntelliJ IDEA Project SDK
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For a new project select the home directory of the jdk
eg C:\Java\jdk1.7.0_99
or C:\Program Files\Java\jdk1.7.0_99
For an existing project.
1) You need to have a jdk installed on the system.
for instance in
C:\Java\jdk1.7.0_99
2) go to project structure under File menu ctrl+alt+s...
Why is String immutable in Java?
...e a copy, and not change its copy. When thinking of a problem with mutable java.lang.Strings, think of how C++ solves this problem (since it has mutable std::strings.
– Limited Atonement
Jan 13 '16 at 15:48
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Passing an integer by reference in Python
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Python references are the exact same as Java references. And Java references are according to the JLS pointers to objects. And there is basically a complete bijection between Java/Python references and C++ pointers to objects in semantics, and nothing else describe...
How is CountDownLatch used in Java Multithreading?
Can someone help me to understand what Java CountDownLatch is and when to use it?
12 Answers
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What's the advantage of a Java enum versus a class with public static final fields?
I am very familiar with C# but starting to work more in Java. I expected to learn that enums in Java were basically equivalent to those in C# but apparently this is not the case. Initially I was excited to learn that Java enums could contain multiple pieces of data which seems very advantageous ( ht...
Java 反射最佳实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
Java 反射最佳实践概要：最简单优雅的使用反射。本文的例子都可以在示例代码中看到并下载，如果喜欢请star，如果觉得有纰漏请提交issue，如果你有更好的点子...概要：最简单优雅的使用反射。
本文的例子都可以在示例代码...
“From View Controller” disappears using UIViewControllerContextTransitioning
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I was having the same problem here – looks like a bug in iOS 8. I've filed a radar.
I used ...
Splitting a Java String by the pipe symbol using split(“|”)
The Java official documentation states:
7 Answers
7
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Performing user authentication in Java EE / JSF using j_security_check
...web application making use of JSF 2.0 (and if any components do exist) and Java EE 6 core mechanisms (login/check permissions/logouts) with user information hold in a JPA entity. The Oracle Java EE tutorial is a bit sparse on this (only handles servlets).
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