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Open a link in browser with java button? [duplicate]
... catch (Exception e) {}
note: you have to include necessary imports from java.net
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Getting request payload from POST request in Java servlet
I have a javascript library that is sending a POST request to my Java servlet, but in the doPost method, I can't seem to get the contents of the request payload. In chrome Developer Tools, all the content is in the Request Payload section in the headers tab, and the content is there, and I know th...
Convert boolean to int in Java
What is the most accepted way to convert a boolean to an int in Java?
12 Answers
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Memory address of variables in Java
Please take a look at the picture below.
When we create an object in java with the new keyword, we are getting a memory address from the OS.
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I have an error: setOnItemClickListener cannot be used with a spinner, what is wrong?
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See the first line of your logcat:
java.lang.RuntimeException: setOnItemClickListener cannot be used with a spinner.
setOnItemClickListener cannot be used with a Spinner. Use setOnItemSelectedListener instead.
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Java - get the current class name?
All I am trying to do is to get the current class name, and java appends a useless non-sense $1 to the end of my class name. How can I get rid of it and only return the actual class name?
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How does java do modulus calculations with negative numbers?
Am I doing modulus wrong? Because in Java -13 % 64 is supposed to evaluate to -13 but I get 51 .
14 Answers
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JPA : How to convert a native query result set to POJO class collection
... Only in JPA 2.1 a ConstructorResult has been added to map return values a java class.
Also, for OP's problem with getting count it should be enough to define a result set mapping with a single ColumnResult
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Java equivalents of C# String.Format() and String.Join()
... a newbie question, but are there equivalents to C#'s string operations in Java?
16 Answers
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In Scala how do I remove duplicates from a list?
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Have a look at the ScalaDoc for Seq,
scala> dirty.distinct
res0: List[java.lang.String] = List(a, b, c)
Update. Others have suggested using Set rather than List. That's fine, but be aware that by default, the Set interface doesn't preserve element order. You may want to use a Set implementati...