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Java's L number (long) specification
It appears that when you type in a number in Java, the compiler automatically reads it as an integer, which is why when you type in (long) 6000000000 (not in integer's range) it will complain that 6000000000 is not an integer. To correct this, I had to specify 6000000000L . I just learned abo...
Where is the Keytool application?
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keytool is part of the standard java distribution.
In a windows 64-bit machine, you would normally find the jdk at
C:\Program Files\Java\jdk1.8.0_121\bin
It is used for managing keys and certificates you can sign things with, in your case, probably a ja...
Java, How do I get current index/key in “for each” loop [duplicate]
In Java, How do I get the current index for the element in Java?
7 Answers
7
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File inside jar is not visible for spring
... They are in the same jar, but I tried your solution with the same result: java.io.FileNotFoundException: class path resource [classpath*:my.config] cannot be resolved to URL because it does not exist
– BTakacs
Feb 15 '13 at 7:57
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Running JAR file on Windows
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Easiest route is probably upgrading or re-installing the Java Runtime Environment (JRE).
Or this:
Open the Windows Explorer, from the Tools select 'Folder Options...'
Click the File Types tab, scroll down and select JAR File type.
Press the Advanced button.
In the Edit File Type...
Java: Multiple class declarations in one file
In Java, you can define multiple top level classes in a single file, providing that at most one of these is public (see JLS §7.6 ). See below for example.
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How to present a simple alert message in java?
...ng from .NET i am so used calling Alert() in desktop apps. However in this java desktop app, I just want to alert a message saying "thank you for using java" I have to go through this much suffering:
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How do I create a file and write to it in Java?
What's the simplest way to create and write to a (text) file in Java?
33 Answers
33
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How to get the current working directory in Java?
I want to access my current working directory using java.
22 Answers
22
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Switch on Enum in Java [duplicate]
Why can't you switch on an enum in Java? It seems simple enough to do and would make for some convenient code. Also this question could apply to String 's. You can switch on a char , but not a String ...?
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