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:
What does the arrow operator, '->', do in Java? - Stack Overflow
Details: Java 6, Apache Commons Collection, IntelliJ 12 Update/Answer: It turns out that IntelliJ 12 supports Java 8, which supports lambdas, and is "folding" Predicates and displaying them as lambdas. Below is the "un-folded" code.
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 16 years, 1 month ago Modified 1 year, 11 months ago Viewed 451k times
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.
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 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.
What is the percent % operator in java? - Stack Overflow
This method is used to calculate the sum of the digits in a number recursively, but I do not understand it? What is the purpose of n%10???
What is the difference between & and && in Java? - Stack Overflow
I always thought that && operator in Java is used for verifying whether both its boolean operands are true, and the & operator is used to do Bit-wise operations on two integer types.
What are the -Xms and -Xmx parameters when starting JVM?
The flag Xmx specifies the maximum memory allocation pool for a Java Virtual Machine (JVM), while Xms specifies the initial memory allocation pool. This means that your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of memory. For example, starting a JVM like below will start it with 256 MB of memory and will allow the process to use up to 2048 MB ...
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