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Convert Enumeration to a Set/List
Is there some one-liner bridge method to dump a given Enumeration to java.util.List or java.util.Set?
6 Answers
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Why doesn't Java Map extend Collection?
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From the Java Collections API Design FAQ:
Why doesn't Map extend Collection?
This was by design. We feel that
mappings are not collections and
collections are not mappings. Thus, it
makes little sense for Map to extend
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How do I convert from int to Long in Java?
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In Java you can do:
int myInt=4;
Long myLong= new Long(myInt);
in your case it would be:
content.setSequence(new Long(i));
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Java equivalent to #region in C#
...want to use regions for code folding in Eclipse ; how can that be done in Java?
21 Answers
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When should we use intern method of String on String literals
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Java automatically interns String literals. This means that in many cases, the == operator appears to work for Strings in the same way that it does for ints or other primitive values.
Since interning is automatic for String ...
What's the difference between getPath(), getAbsolutePath(), and getCanonicalPath() in Java?
...ence between getPath() , getAbsolutePath() , and getCanonicalPath() in Java?
6 Answers
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Spring Java Config: how do you create a prototype-scoped @Bean with runtime arguments?
Using Spring's Java Config, I need to acquire/instantiate a prototype-scoped bean with constructor arguments that are only obtainable at runtime. Consider the following code example (simplified for brevity):
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Where to place and how to read configuration resource files in servlet based application?
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It's your choice. There are basically three ways in a Java web application archive (WAR):
1. Put it in classpath
So that you can load it by ClassLoader#getResourceAsStream() with a classpath-relative path:
ClassLoader classLoader = Thread.currentThread().getContextClassLoader()...
Java resource as file
Is there a way in Java to construct a File instance on a resource retrieved from a jar through the classloader?
6 Answers
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The difference between Classes, Objects, and Instances
What is a class, an object and an instance in Java?
16 Answers
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