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Java Garbage Collection Log messages
I have configured java to dump garbage collection information into the logs ( verbose GC ). I am unsure of what the garbage collection entries in the logs mean. A sample of these entries are posted below. I've searched around on Google and have not found solid explanations.
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How do I reverse an int array in Java?
I am trying to reverse an int array in Java.
43 Answers
43
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No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?
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On your Eclipse IDE, go into Window > Preferences > Java > Installed JREs > and check your installed JREs. You should have an entry with a JDK there.
Select the Execution Env as show below. Click OK
Then Right-Click on your Project -> Maven -> Update Project
Ad...
Try-finally block prevents StackOverflowError
... the level above it. (Output:
Finally
Exception in thread "main" java.lang.Exception: TEST!
at test.main(test.java:6)
This makes sense, as finally is called right before exiting the method. This means, however, that once you get that first StackOverflowError, it will try to throw i...
What does the arrow operator, '->', do in Java?
... code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator.
5 Answers
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Https Connection Android
...all to member FACTORY
}
FullX509TrustManager is a class that implements javax.net.ssl.X509TrustManager, yet none of the methods actually perform any work, get a sample here.
Good Luck!
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What is difference between cacerts and keystore?
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cacerts is where Java stores public certificates of root CAs. Java uses cacerts to authenticate the servers.
Keystore is where Java stores the private keys of the clients so that it can share it to the server when the server requests client ...
Grab a segment of an array in Java without creating a new array on heap
I'm looking for a method in Java that will return a segment of an array. An example would be to get the byte array containing the 4th and 5th bytes of a byte array. I don't want to have to create a new byte array in the heap memory just to do that. Right now I have the following code:
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What causes “Unable to access jarfile” error?
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I had encountered this issue when I had run my Jar file as
java -jar TestJar
instead of
java -jar TestJar.jar
Missing the extension .jar also causes this issue.
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How to set a timer in android
...ask (a function that I create which does not change the UI)?
Use this the Java way:
http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Timer.html
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