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How to check type of variable in Java?
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Java is a statically typed language, so the compiler does most of this checking for you. Once you declare a variable to be a certain type, the compiler will ensure that it is only ever assigned values of that type (or values...
What's the difference between HEAD^ and HEAD~ in Git?
...f7ed05aad843433
649bf3a42f344e71b1b5a7f562576f911a1f7423
b67d40adbbaf4f5c4898001bf062a9fd67e43368
Querying the non-existent fourth parent results in an error.
$ git rev-parse 89e4fcb0dd^4
89e4fcb0dd^4
fatal: ambiguous argument '89e4fcb0dd^4': unknown revision or path not in the working tree.
Use '-...
Convert Iterator to ArrayList
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In Java 8, you can use the new forEachRemaining method that's been added to the Iterator interface:
List<Element> list = new ArrayList<>();
iterator.forEachRemaining(list::add);
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Does using final for variables in Java improve garbage collection?
...leagues and me have a discussion about the usage of the final keyword in Java to improve the garbage collection.
15 Answe...
How do you create a REST client for Java? [closed]
...h JSR 311 and its implementations we have a powerful standard for exposing Java objects via REST. However on the client side there seems to be something missing that is comparable to Apache Axis for SOAP - something that hides the web service and marshals the data transparently back to Java objects....
Java 8 Streams - collect vs reduce
...sing an Integer constructor (new Integer(6)), which is deprecated in later Java versions.
– MC Emperor
Jun 13 '19 at 10:54
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How to change font size in Eclipse for Java text editors?
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Set the font size, General → Appearance → Colors and Fonts → Java → Java Editor Text Font).
Save the preferences.
Check that you do not have per-project preferences. These will override the top-level preferences.
Eclipse v4.2 (Juno) note
Per comment below, this has moved to the Ecl...
How to implement the Java comparable interface?
...posed to equals() which return false on such scenario.
Read more: http://javarevisited.blogspot.com/2011/11/how-to-override-compareto-method-in.html#ixzz4B4EMGha3
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Retrieve specific commit from a remote Git repository
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VonCVonC
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What is the maximum depth of the java call stack?
...at this is tail recursive and shouldn't ever overflow? Edit: Sorry. In Java it crashed at 8027; in Scala it got up to 8594755 before I got bored.
– arya
Feb 15 '15 at 2:47
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