java - What is a Question Mark "?" and Colon - Stack Overflow
Apr 26, 2012 · The Java jargon uses the expression method, not functions - in other contexts there is the distinction of function and procedure, dependent on the existence of a return type, …
What is the difference between == and equals () in Java?
Since java.lang.String class override equals method, It return true if two String object contains same content but == will only return true if two references are pointing to same object. Here is …
What is the Java ?: operator called and what does it do?
In particular, if Java ever gets another ternary operator, people who use the term "conditional operator" will still be correct and unambiguous - unlike those who just say "ternary operator". …
What is the percent % operator in java? - Stack Overflow
May 15, 2017 · Possible duplicate of What's the syntax for mod in java – Sergey. Commented May 15, 2017 at 9:31.
What does the ^ operator do in Java? - Stack Overflow
Jan 2, 2010 · Exponentiation in Java. As for integer exponentiation, unfortunately Java does not have such an operator. You can use double Math.pow(double, double) (casting the result to int …
How do the post increment (i++) and pre increment (++i) …
Can you explain to me the output of this Java code? int a=5,i; i=++a + ++a + a++; i=a++ + ++a + ++a; a=++a + ++a + a++; System.out.println(a); System.out.println(i ...
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 …
java - && (AND) and || (OR) in IF statements - Stack Overflow
All the answers here are great but, just to illustrate where this comes from, for questions like this it's good to go to the source: the Java Language Specification. Section 15:23, Conditional-And …
What are the -Xms and -Xmx parameters when starting JVM?
Feb 7, 2013 · -Xss<size> set java thread stack size -Xprof output cpu profiling data -Xfuture enable strictest checks, anticipating future default -Xrs reduce use of OS signals by Java/VM …
What is the difference between & and && in Java?
Apr 9, 2011 · In respect of the AND and OR operators, Java has got two types of evaluation namely Short-Circuit evaluation and full evaluation. && || Short-Circuit Evaluation. Short-Circuit …