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- 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 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:
- 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, 11 months ago Modified 1 year, 9 months ago Viewed 450k times
- What is the difference between == and equals () in Java?
Main difference between == and equals in Java is that "==" is used to compare primitives while equals() method is recommended to check equality of objects String comparison is a common scenario of using both == and equals() method
- 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 does the arrow operator, - gt;, do in Java? - Stack Overflow
That's part of the syntax of the new lambda expressions, to be introduced in Java 8 There are a couple of online tutorials to get the hang of it, here's a link to one Basically, the -> separates the parameters (left-side) from the implementation (right side) The general syntax for using lambda expressions is (Parameters) -> { Body } where the -> separates parameters and lambda expression
- What is the percent % operator in java? - Stack Overflow
What is the percent % operator in java? Asked 8 years, 9 months ago Modified 4 years, 7 months ago Viewed 64k times
- What does Java option -Xmx stand for? - Stack Overflow
java -Xmx1024m filename what does -Xmx mean? see here: Java Tool Doc, it says, -Xmxn Specify the maximum size, in bytes, of the memory allocation pool This value must a multiple of 1024 greater than 2MB Append the letter k or K to indicate kilobytes, or m or M to indicate megabytes The default value is 64MB The upper limit for this value will be approximately 4000m on Solaris 7 and Solaris
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