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Array initialization syntax when not in a declaration
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Why is this blocked by Java?
You'd have to ask the Java designers. There might be some subtle grammatical reason for the restriction. Note that some of the array creation / initialization constructs were not in Java 1.0, and (IIRC) were added in ...
IllegalArgumentException or NullPointerException for a null parameter? [closed]
...throw an IllegalArgumentException , or a NullPointerException ? From the javadocs, both seem appropriate. Is there some kind of an understood standard? Or is this just one of those things that you should do whatever you prefer and both are really correct?
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Initializing multiple variables to the same value in Java
... thing (especially the multiple assignments) would be frowned upon by most Java developers, who would consider it the opposite of "visually simple".
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How do I count the number of occurrences of a char in a String?
...is (a) requiring 3rd party libs and (b) expensive.
– javadba
Jan 23 '14 at 21:24
This only work with spring frame work...
Regular expression to match URLs in Java
...RLs. I tested successfully within RegexBuddy. However, when I copied it as Java String flavor and pasted it into Java code, it does not work. The following class prints false :
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The split() method in Java does not work on a dot (.) [duplicate]
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java.lang.String.split splits on regular expressions, and . in a regular expression means "any character".
Try temp.split("\\.").
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Convert Java Object to JsonNode in Jackson [duplicate]
Is it possible to directly convert a Java Object to an JsonNode-Object?
1 Answer
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Intellij code formatting, Java annotations on new lines
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Navigate to Preferences → Editor → Code Style → Java → Wrapping and Braces tab, then locate the section Field annotations and check the option Do not wrap after single annotation.
In IntelliJ v14:
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Best way to convert list to comma separated string in java [duplicate]
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Java doesn't support single quotes
– Passionate Engineer
Oct 18 '15 at 15:21
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Check if a Class Object is subclass of another Class Object in Java
I'm playing around with Java's reflection API and trying to handle some fields. Now I'm stuck with identifying the type of my fields. Strings are easy, just do myField.getType().equals(String.class) . The same applies for other non-derived classes. But how do I check derived classes? E.g. LinkedLi...