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Is it possible to assign numeric value to an enum in Java?
Is anything like this possible in Java? Can one assign custom numeric values to enum elements in Java?
5 Answers
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Java ArrayList - how can I tell if two lists are equal, order not mattering?
...ollections4.CollectionUtils
public static boolean isEqualCollection(java.util.Collection a,
java.util.Collection b)
Returns true iff the given Collections contain exactly the same
elements with exactly the same cardinalities.
That is, if...
How can I combine two HashMap objects containing the same types?
...more control over how values are combined, you can use Map.merge, added in Java 8, which uses a user-provided BiFunction to merge values for duplicate keys. merge operates on individual keys and values, so you'll need to use a loop or Map.forEach. Here we concatenate strings for duplicate keys:
m...
What does this symbol mean in IntelliJ? (red circle on bottom-left corner of file name, with 'J' in
Under the target folder in IntelliJ for a Java project I created, I have a few java source files in the package. Beside each file the 'J' icon has a red circle with a line through it.
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Eclipse compilation error: The hierarchy of the type 'Class name' is inconsistent
I have downloaded some open source software written in Java and tried to compile it using Eclipse.
I got the error: " The hierarchy of the type 'Class name' is inconsistent " in some files.
What causes these errors and how do I fix them?
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Java packages com and org
What are the meaning of the packages org and com in Java?
4 Answers
4
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Jsoup SocketTimeoutException: Read timed out
... following information may be useful to future visitors:
According to the javadocs, the default timeout for an org.jsoup.Connection is 30 seconds.
As has already been mentioned, this can be set using timeout(int millis)
Also, as the OP notes in the edit, this can also be set using timeout(0). How...
Converting Java objects to JSON with Jackson
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I know this is old (and I am new to java), but I ran into the same problem. And the answers were not as clear to me as a newbie... so I thought I would add what I learned.
I used a third-party library to aid in the endeavor: org.codehaus.jackson
All of the dow...
Can I replace groups in Java regex?
...ode, and I want to know, if I can replace only groups (not all pattern) in Java regex.
Code:
7 Answers
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Strip Leading and Trailing Spaces From Java String
... there a convenience method to strip any leading or trailing spaces from a Java String?
6 Answers
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