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, - 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
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 The @ symbol denotes a Java Annotation What a Java annotation does, is that it adds a special attribute to the variable, method, class, interface, or other language elements
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
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