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Difference between Iterator and Listiterator?
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The differences are listed in the Javadoc for ListIterator
You can
iterate backwards
obtain the iterator at any point.
add a new value at any point.
set a new value at that point.
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How is pattern matching in Scala implemented at the bytecode level?
...rint your program with all Scala-specific features removed. It's basically Java in Scala's clothing. Here's the relevant scalac -print output for the code snippet you gave:
def eval(e: Expr): Int = {
<synthetic> val temp10: Expr = e;
if (temp10.$isInstanceOf[Number]())
temp10.$asInsta...
How can I use PowerShell with the Visual Studio Command Prompt?
...an equals sign in it is truncated at the equals sign. For example, I had:
JAVA_TOOL_OPTIONS=-Duser.home=C:\Users\Me
But my PS session reported:
PS C:\> $env:JAVA_TOOL_OPTIONS
-Duser.home
I fixed this by modifying my profile script to the following:
pushd 'c:\Program Files (x86)\Microsoft V...
Android webview & localStorage
...are the same data in multiple webviews the only way is to repair it with a java database and a javascript interface.
This page on github shows how to do this.
hope this help!
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How to change a field name in JSON using Jackson
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private String name;
//Getters and setters omitted for brevity
}
JavaEE or JakartaEE JSON-B
JSON-B is the standard binding layer for converting Java objects to and from JSON. If you are using JSON-B, then you can override the JSON property name via the @JsonbProperty annotation:
@Entity
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Turn off spell checking in Eclipse for good
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If you are writing Java code, Window -> Preferences -> Java -> JDT Spelling
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What is “overhead”?
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If I were to say I write low overhead java code, how would you interpret that in terms of the definition of "resources required to set up an operation". My code doesn't require much setup?
– committedandroider
Mar 10 '15 at ...
How to access test resources in Scala?
... are meant to be accessed using the special getResource style methods that Java provides. Given your example of data.xml being in $SBT_PROJECT_HOME/src/test/resources/, you can access it in a test like so:
import scala.io.Source
// The string argument given to getResource is a path relative to
// ...
Alternate FizzBuzz Questions [closed]
... the result of the expression ("a + b+c -d" would be -3).
These were for Java, and you could use the standard libraries so some of them can be extremely easy (like 6). But they work like FizzBuzz. If you have a clue about programming you should be able to do most pretty quickly. Even if you don't ...
Mapping many-to-many association table with extra column(s)
...mplete example, here is my code. Hope it will help :).
First here is the Java objects.
public class A implements Serializable{
protected int id;
// put some others fields if needed ...
private Set<AC> ac = new HashSet<AC>();
public A(int id) {
this.id = ...