What is the point of the diamond operator (<>) in Java?
The diamond operator in java 7 allows code like the following: List<String> list = new LinkedList<>(); However in Java 5/6, I can simply write: List<String> list = new LinkedList(); …
What is the Java ?: operator called and what does it do?
It's a ternary operator (in that it has three operands) and it happens to be the only ternary operator in Java at the moment. However, the spec is pretty clear that its name is the conditional …
What does the ^ operator do in Java? - Stack Overflow
Jan 2, 2010 · 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 :- …
How do the post increment (i++) and pre increment (++i) …
How do the post increment (i++) and pre increment (++i) operators work in Java? Asked 15 years, 7 months ago Modified 1 year, 4 months ago Viewed 447k times
Is there a difference between x++ and ++x in java?
Jul 7, 2009 · 12 In Java there is a difference between x++ and ++x ++x is a prefix form: It increments the variables expression then uses the new value in the expression. For example if …
in java what does the @ symbol mean? - Stack Overflow
Aug 5, 2015 · 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 …
What is the difference between & and && in Java? - Stack Overflow
Apr 9, 2011 · 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 …
What is the difference between == and equals () in Java?
0 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: == Operator: …
double colon) operator in Java 8 - Stack Overflow
Nov 15, 2013 · 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 …
What are the -Xms and -Xmx parameters when starting JVM?
Feb 7, 2013 · From Oracle's documentation: Note that the JVM uses more memory than just the heap. For example Java methods, thread stacks and native handles are allocated in memory …