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- How do the post increment (i++) and pre increment (++i) operators work . . .
How do the post increment (i++) and pre increment (++i) operators work in Java? Asked 15 years, 8 months ago Modified 1 year, 5 months ago Viewed 448k times
- What is the Java ?: operator called and what does it do?
Not only in Java, this syntax is available within PHP, Objective-C too In the following link it gives the following explanation, which is quiet good to understand it: A ternary operator is some operation operating on 3 inputs It's a shortcut for an if-else statement, and is also known as a conditional operator In Perl PHP it works as:
- What does the ^ operator do in Java? - Stack Overflow
7 It is the Bitwise xor operator in java which results 1 for different value of bit (ie 1 ^ 0 = 1) and 0 for same value of bit (ie 0 ^ 0 = 0) when a number is written in binary form ex :- To use your example: The binary representation of 5 is 0101 The binary representation of 4 is 0100
- What is the point of the diamond operator ( lt; gt;) in Java?
@ColinD Java really needn't to deal with backwards compatibility in each single line In any Java source file using generics the old non-generic types should be forbidden (you can always use <?> if interfacing to legacy code) and the useless diamond operator should not exist
- What does the += operator do in Java? - Stack Overflow
2 In java the default type of numbers like 2 or -2 (without a fractional component) is int and unlike c# that's not an object and we can't do sth like 2 tostring as in c# and the default type of numbers like 2 5 (with a fractional component) is double; So if you write:
- What does the arrow operator, - gt;, do in Java? - Stack Overflow
While hunting through some code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator return (Collection lt;Car gt;) CollectionUtils select(list
- in java what does the @ symbol mean? - Stack Overflow
In Java Persistence API you use them to map a Java class with database tables For example @Table () Used to map the particular Java class to the date base table @Entity Represents that the class is an entity class Similarly you can use many annotations to map individual columns, generate ids, generate version, relationships etc
- Setting JAVA_HOME environment variable in MS Windows
JAVA_HOME and PATH are different, I didn't say point JAVA_HOME to the jre bin directory Try making sure that the PATH environment variable includes the jre bin directory For example, type java from the command prompt, does that work?
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