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 ^ 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 point of the diamond operator ( lt; gt;) in Java? In any Java source file using generics the old non-generic types should be forbidden (you can always use <?> if interfacing to legacy code) and the useless diamond operator should not exist
What is the difference between == and equals () in Java? 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:
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
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, sometimes called the ternary operator)
Proper usage of Java -D command-line parameters 184 When passing a -D parameter in Java, what is the proper way of writing the command-line and then accessing it from code? For example, I have tried writing something like this
What does Java option -Xmx stand for? - Stack Overflow java -Xmx1024m filename what does -Xmx mean?see here: Java Tool Doc, it says, -Xmxn Specify the maximum size, in bytes, of the memory allocation pool This value must a multiple of 1024 greater than 2MB Append the letter k or K to indicate kilobytes, or m or M to indicate megabytes The default value is 64MB The upper limit for this value will be approximately 4000m on Solaris 7 and Solaris