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 …
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
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 does the ^ operator do in Java? - Stack Overflow
Jan 2, 2010 · 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.
and /* in Java Comments - Stack Overflow
Apr 23, 2015 · The Java language only supports two types of comments. A comment in the form of /** .. */ is just a regular multiline comment, and the first character inside it happens to be an …
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: …
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 …
java was started but returned exit code = -805306369
Mar 19, 2014 · 1 “java was started but returned exit code = -805306369” caused by Eclipse´s currupted workspace, I solved my problem with this 4 steps: 1) claose the eclipse. 2) Kill the …
How is the default max Java heap size determined?
130 For Java SE 5: According to Garbage Collector Ergonomics [Oracle]: initial heap size: Larger of 1/64th of the machine's physical memory on the machine or some reasonable minimum. …