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Getting the class of the components of an array
If I have how can I get T.class from array? If I do array.getClass() that gets me T[].class instead. Answer Component Type Use this: Returns the Class representing the component type of an array. If this class does not represent an array class this method returns null. Reference: Class.getComponentType() Safe / Unsafe casting Is there a way I can cast
JDK, JRE, Java: Version Confusion
(Note: this questions and its answers are from 2011 and show how the world was at that time.) Although I’m not a real Java developer (yet), I feel like I should know this by now, but I’m still very confused. My question has two parts: What is the difference between the so-called (as I’ve seen it) “Sun JDK”, OpenJDK, and
How do I find where JDK is installed on my windows machine?
I need to know where JDK is located on my machine. On running Java -version in cmd, it shows the version as ‘1.6.xx’. To find the location of this SDK on my machine I tried using echo %JAVA_HOME% …
IntelliJ IDEA IDE for Android development [closed]
Does anyone have an experience with Android development with intelliJ IDEA IDE? Does it suit all the needs?
What is the purpose of @SmallTest, @MediumTest, and @LargeTest annotations in Android?
I’m new to Android and I’ve seen example code using these annotations. For example: What does that annotation accomplish? Answer As an addition to Davidann’s answer and mainly OP’s question in the comment: In the context of the code above, does it actually DO anything except leave a note for other developers? Does it enforce anything? Are there any tools
Problem with run DOS command in Java
Dear all I want to execute a EXE file in Java, but I was not able to do it correctly. Originally, in DOS command prompt, my command is like this: Note: the input file name must be place in the brackets <>. It always gave me good results when run it in DOS window. When I want my java program
Fastest way to cast Java Objects from memcache
We have a webapp which uses memcache to store objects temporally. We are adding background jobs to cleanup the cache (not based on time based expiration that comes with memcache). Since we have multiple instances of the webapp running, we want to make sure that only one instance is doing the cleanup at any point. So we decided to keep
midpoint between two latitude and longitude
I am trying to convert the code snippet given in this http://www.movable-type.co.uk/scripts/latlong.html into java. But I am not getting same result as that of site. Here is my code to find the midpoint between two points where their latitudes and longitudes are given I am not sure whethe dLon is correct or not. So please help me guys to figure
Mid point of two point where latitude and longitude given
I am trying to find the midpoint of two points where latitude and longitude of those points are given. Using Haversine formula I can able to find the distance between between those points. I guess, I can also able find the midpoint by dividing the distance by 2. After that how can find the latitude and longitude of that midpoint.