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Can an interface extend multiple interfaces in Java?
Can an interface extend multiple interfaces in Java? This code appears valid in my IDE and it does compile:
7 Answers
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What is JNDI? What is its basic use? When is it used?
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What is JNDI ?
It stands for Java Naming and Directory Interface.
What is its basic use?
JNDI allows distributed applications to look up services in an abstract, resource-independent way.
When it is used?
The most common use case is to set u...
Migrating from JSF 1.2 to JSF 2.0
...ces-config.xml to comply JSF 2.0 spec.
<faces-config
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
version="2.0">
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java.lang.UnsupportedClassVersionError Unsupported major.minor version 51.0 [duplicate]
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java.lang.UnsupportedClassVersionError happens because of a higher JDK during compile time and lower JDK during runtime.
Here's the list of versions:
Java SE 9 = 53,
Java SE 8 = 52,
Java SE 7 = 51,
Java SE 6.0 = 50,
Java SE...
What's a monitor in Java?
What's a monitor referred to in concurrent programming in Java?
7 Answers
7
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What is the Java equivalent for LINQ? [closed]
What is Java equivalent for LINQ?
34 Answers
34
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How do you get the magnitude of a vector in Numpy?
...w has a new axis argument, discussed here: stackoverflow.com/a/19794741/1959808
– Ioannis Filippidis
Nov 18 '13 at 9:12
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How do I measure time elapsed in Java? [duplicate]
... - sure; basically some implementations of nanoTime on some versions of OS/Java/CPU will use hardware CPU time stamp counter (TSC) . However this TSC may not be the same between cores/processors. If your thread is rescheduled to a different core partway through, you will end up with a start timestam...
Does .asSet(…) exist in any API?
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Now with Java 8 you can do this without need of third-party framework:
Set<String> set = Stream.of("a","b","c").collect(Collectors.toSet());
See Collectors.
Enjoy!
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Difference between a class and a module
I came from Java, and now I am working more with Ruby.
9 Answers
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