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Why start an ArrayList with an initial capacity?
... post on the topic 2 months ago. The article is for C#'s List<T> but Java's ArrayList has a very similar implementation. Since ArrayList is implemented using a dynamic array, it increases in size on demand. So the reason for the capacity constructor is for optimisation purposes.
When one of t...
ADT requires 'org.eclipse.wst.sse.core 0.0.0' but it could not be found
...d and installed a Classic version of eclipse you are missing the essential Java Development Tools required by the Android SDK etc
I found that installing the Eclipse Java Development Tools & Java EE Tools solved this problem for me in Eclipse 3.7.
It seems obvious to many Java Developers but ...
Disable IntelliJ Starred (Package) Imports?
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In IDEA 14+ the sequence is:
Settings > Editor > Code Style > Java > Imports > Class count to use import with '*'
In older version of IDEA:
Settings -> Java -> Code Style -> Imports -> Class count to use import with '*'
The feature can not be disabled. You need to s...
How can I get an http response body as a string in Java?
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@McDowell: oops thanks, I linked the javadoc for the method with encoding but I forgot to use it in the example. I added UTF-8 to the example for now, although technically should use the Content-Encoding header from the response if available.
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Display the current time and date in an Android application
...e current date & time into a TextView.
String currentDateTimeString = java.text.DateFormat.getDateTimeInstance().format(new Date());
// textView is the TextView view that should display it
textView.setText(currentDateTimeString);
There is more to read in the documentation that can easily be ...
How to get the insert ID in JDBC?
...ord in a database (which is Microsoft SQL Server in my case) using JDBC in Java. At the same time, I want to obtain the insert ID. How can I achieve this using JDBC API?
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Why should Java ThreadLocal variables be static
I was reading the JavaDoc for Threadlocal here
7 Answers
7
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Finding all objects that have a given property inside a collection [duplicate]
...g memory reference locations, refer to: stackoverflow.com/questions/767372/java-string-equals-versus
– user785262
Jun 1 '12 at 20:14
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Why no generics in Go?
...primitive) object. So it's very similar to a container holding Objects in Java.
– poolie
Jul 30 '12 at 7:55
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java.lang.IllegalStateException: The specified child already has a parent
I am using fragments, when I instantiate a fragment the first time it it. but the second time I got this exception. I couldn't find the line where I got the error?
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