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How to create a temporary directory/folder in Java?
...ere a standard and reliable way of creating a temporary directory inside a Java application? There's an entry in Java's issue database , which has a bit of code in the comments, but I wonder if there is a standard solution to be found in one of the usual libraries (Apache Commons etc.) ?
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How to avoid null checking in Java?
...e (for example, NullPointerException). Assertions are a highly-underused Java feature that was added in 1.4. The syntax is:
assert <condition>
or
assert <condition> : <object>
where <condition> is a boolean expression and <object> is an object whose toString() ...
How do you know a variable type in java?
...String str = "test";
String type = str.getClass().getName();
value: type = java.lang.String
this method :
str.getClass().getSimpleName();
value:String
now example:
Object o = 1;
o.getClass().getSimpleName();
value:Integer
...
Android Studio needs JDK 7 for Android-L mac
...
Setting the directory to:
/Library/Java/JavaVirtualMachines/jdk1.7.0_60.jdk/Contents/Home
in JDK settings solved my issue. I had the same problem getting started up. Hope this helps!
s...
How can I convert a long to int in Java?
How can I convert a long to int in Java?
15 Answers
15
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Android Studio Project Structure (v.s. Eclipse Project Structure)
...tudio GUI, only a few folders are shown. The important part is that your R.java is found here under build/source/<flavor>/r/<build type(optional)>/<package>/R.java
2. libs
This is the standard libs folder that you see in eclipse land too
3. src
Here, you only see the java and r...
How to find the duration of difference between two dates in java?
...s 24 hours in length. See the correct answers that use either Joda-Time or java.time libraries.
– Basil Bourque
Jun 5 '14 at 18:24
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Integrating the ZXing library directly into my Android application
...ctory you just extracted
Right-click project folder -> Properties -> Java Build Path -> Library -> Add External JARs...
Navigate to the newly extracted folder and open the core directory and select core.jar ... hit enter!
Now you just have to correct a few errors in the translations an...
Maven Run Project
Is there a Maven "phase" or "goal" to simply execute the main method of a Java class? I have a project that I'd like to test manually by simply doing something like "mvn run".
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Java String array: is there a size of method?
...MsoF The documentation for "[]" (array, not Arrays object) is actually the Java specification. .e.g docs.oracle.com/javase/specs/jls/se7/html/jls-10.html Edit: Ah... the comment is from 2013...
– Acapulco
Jun 15 '15 at 22:42
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