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How do I convert a Java 8 IntStream to a List?
... methods. This is done by adding the Collectors class in Preferences -> Java -> Editor -> Content Assist -> Favorites. After this, you only have to type toLi at hit Ctr+Space to have the IDE fill in toList and add the static import.
– Lii
Jun 29 '16...
Difference between CC, gcc and g++?
...nd later c99 to exist; these are the compilers compatible with the ISO/IEC 9899:1989 and 9899:1999 C standards. It is doubtful that POSIX succeeded.
The question asks about the differences in terms of features and libraries. As before, the answer is platform specific in part, and generic in par...
How to read contacts on Android 2.0
...in your projection; then you wouldn't have to do a messy simulated join in Java.
– Yoni Samlan
Dec 17 '10 at 16:28
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How to append a newline to StringBuilder
...System.getProperty("line.separator") gives you system-dependent newline in java. Also from Java 7 there's a method that returns the value directly: System.lineSeparator()
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Dynamic type languages versus static type languages
...tion, dynamic loading, mobile code, runtime reflection" can all be done in Java, just for the record.
– Will Hartung
Sep 24 '08 at 6:11
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Why should I use the keyword “final” on a method parameter in Java?
...ny such re-assignments.
In Retrospect
As noted in other answers…
Given Java's original design goal of helping programmers to avoid dumb mistakes such as reading past the end of an array, Java should have been designed to automatically enforce all parameter/argument variables as 'final'. In other...
How to run a background task in a servlet based web application?
I'm using Java and I want to keep a servlet continuously running in my application, but I'm not getting how to do it. My servlet has a method which gives counts of the user from a database on a daily basis as well as the total count of the users from the whole database. So I want to keep the servlet...
What are the differences between a HashMap and a Hashtable in Java?
What are the differences between a HashMap and a Hashtable in Java?
35 Answers
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From Arraylist to Array
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JavaDocs are your friend. If the array being passed in is too small a new array is returned. The other version of the method that takes no args returns an array of Object
– Brian Roach
N...
Java enum - why use toString instead of name
...ectly changes the toString() return, then it was already broken.
From the javadoc (emphasis mine) :
Returns a string representation of the object. In general, the
toString method returns a string that "textually represents" this
object. The result should be a concise but informative represe...