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Java: Best way to iterate through a Collection (here ArrayList)
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There is additionally collections’ stream() util with Java 8
collection.forEach((temp) -> {
System.out.println(temp);
});
or
collection.forEach(System.out::println);
More information about Java 8 stream and collections for wonderers link
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JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti
...e comes from. I am trying a structure like this but I am absolutely new to Java.
– andho
Jan 11 '13 at 9:19
183
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How do you calculate log base 2 in Java for integers?
...values range exceeds long range ( float has much higher range than long in java)
– Naruto26
Aug 19 at 4:31
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JUnit tests pass in Eclipse but fail in Maven Surefire
...ests -->
<excludes>
<exclude>**/IT*Test.java</exclude>
<exclude>**/integration/*Test.java</exclude>
</excludes>
</configuration>
<executions>
<execution>
<id>integration...
Openssl is not recognized as an internal or external command
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This is worked for me successfully.
"C:\Program Files\Java\jdk1.6.0_26\bin\keytool.exe" -exportcert -alias sociallisting -keystore "D:\keystore\SocialListing" | "C:\cygwin\bin\openssl.exe" sha1 -binary | "C:\cygwin\bin\openssl.exe" base64
Be careful with below path :
"C:\Prog...
Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
...d executing it:
currentPos = new Point(currentPos.x+1, currentPos.y+1);
Java makes no such guarantee (it'd be terrible for performance). Something more must be added if your programme needs a guaranteed ordering of the writes relative to reads in other threads. Others have suggested making the x,...
How do different retention policies affect my annotations?
Can anyone explain in a clear way the practical differences between the java.lang.annotation.RetentionPolicy constants SOURCE , CLASS , and RUNTIME ?
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Java Class that implements Map and keeps insertion order?
I'm looking for a class in java that has key-value association, but without using hashes. Here is what I'm currently doing:
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How do the post increment (i++) and pre increment (++i) operators work in Java?
Can you explain to me the output of this Java code?
14 Answers
14
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Handler vs AsyncTask vs Thread [closed]
... which a developer can use with the following disadvantage:
If you use Java threads you have to handle the following requirements
in your own code:
Synchronization with the main thread if you post back results to the user interface
No default for canceling the thread
No default thr...