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Java variable number or arguments for a method
...reat explanation of the difference here: programmerinterview.com/index.php/java-questions/…
– Dick Lucas
Aug 3 '14 at 15:25
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Create array of regex matches
In Java, I am trying to return all regex matches to an array but it seems that you can only check whether the pattern matches something or not (boolean).
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Convert JSON style properties names to Java CamelCase names with GSON
I'm using GSON to convert JSON data I get to a Java object. It works pretty well in all my tests.
The problem is that our real objects have some properties named like is_online. GSON only maps them if they are named totally equal, it would be nice to have GSON convert the names to Java camel case ...
What is WEB-INF used for in a Java EE web application?
I'm working on a Java EE web application with the following source code structure:
5 Answers
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How do I convert a String to an InputStream in Java?
...tes that represent your original string encoded as UTF-8.
For versions of Java less than 7, replace StandardCharsets.UTF_8 with "UTF-8".
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Specify JDK for Maven to use
...k for a single invocation of maven?
Temporarily change the value of your JAVA_HOME environment variable.
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Booleans, conditional operators and autoboxing
...rue ? null : false` - Boolean (autoboxing of 3rd operand to Boolean)
See Java Language Specification, section 15.25 Conditional Operator ? :
For E1, the types of the 2nd and 3rd operands are Boolean and boolean respectively, so this clause applies:
If one of the second and third operands is ...
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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limiting java ssl debug logging
...he format for using the additional ssl flags is ssl:[flag] for example:
-Djavax.net.debug=ssl:record or -Djavax.net.debug=ssl:handshake.
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Java: Literal percent sign in printf statement
I'm trying to add an actual percent sign into a printf statement in Java and I'm getting the error:
3 Answers
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