
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 …
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 (ie 1 ^ 0 = 1) and 0 for same value (ie 0 ^ 0 = 0).
java - Differences in boolean operators: & vs && and | vs || - Stack ...
Oct 25, 2010 · @Piskvor - not in Java! 2 & 4 results in an integer, not a boolean (zero in this case). 2 && 4 will not compile, && only accept booleans. Java does not allow mixing booleans and ints: zero is …
java - How to programmatically close a JFrame? - Stack Overflow
What's the correct way to get a JFrame to close, the same as if the user had hit the X close button, or pressed Alt + F4 (on Windows)? I have my default close operation set the way I want, via:
How do I time a method's execution in Java? - Stack Overflow
How do I get a method's execution time? Is there a Timer utility class for things like timing how long a task takes, etc? Most of the searches on Google return results for timers that schedule
java - setDefaultCloseOperation to show a JFrame instead - Stack …
Aug 31, 2012 · 7 I am making a word processor application in order to practise Java and I would like it so that when the user attempts to close the appliction, a JFrame will come up asking to save …
java - What does "atomic" mean in programming? - Stack Overflow
May 8, 2015 · In the Effective Java book, it states: The language specification guarantees that reading or writing a variable is atomic unless the variable is of type long or double [JLS, 17.4.7]. What do...
How do shift operators work in Java? - Stack Overflow
I am trying to understand the shift operators and couldn't get much. When I tried to execute the below code System.out.println(Integer.toBinaryString(2 << 11)); System.out.println(Integer.
boolean operations - How to use 'or' in Java? - Stack Overflow
The || operator can only be used, in Java, where a boolean (true or false) expression is expected, such as in an if statement like the above. So pretty much in an if or a conditional operator (that ?...: thing, …
modulo - What's the syntax for mod in Java? - Stack Overflow
The modulo operation returning only non-negative results, Rob referred to this as "mod", is called Euclidean modulo in this answer. The answer calls the behavior of Java's remainder operator % …