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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:
double colon) operator in Java 8 - Stack Overflow The double colon, i e , the :: operator, was introduced in Java 8 as a method reference A method reference is a form of lambda expression which is used to reference the existing method by its name
What is the difference between and in Java? - Stack Overflow I always thought that amp; amp; operator in Java is used for verifying whether both its boolean operands are true, and the amp; operator is used to do Bit-wise operations on two integer types
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
What is the difference between == and equals () in Java? In Java, == and the equals method are used for different purposes when comparing objects Here's a brief explanation of the difference between them along with examples:
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