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Yes, it is a shorthand form of. count = getHereCount(index); count = getAwayCount(index); It's called the conditional operator. Many people (erroneously) call it the ternary operator, because it's the only ternary (three-argument) operator in Java, C, C++, and probably many other languages.
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. ex :-. To use your example: The binary representation of 5 is 0101. The binary representation of 4 is 0100.
May 26, 2013 · The >>> operator lets you treat int and long as 32- and 64-bit unsigned integral types, which are missing from the Java language. This is useful when you shift something that does not represent a numeric value.
++a is prefix increment operator: the result is calculated and stored first, then the variable is used. a++ is postfix increment operator: the variable is used first, then the result is calculated and stored. Once you remember the rules, EZ for ya to calculate everything!
Jul 16, 2021 · n%10 means the modulus of 10, that is the remainder you get when you divide with 10. Here it is used to get each digit. Example: Say your number is n = 752. n%10 = 2, n/10 = 75. So you add 2 to the sumDigits(75) Now, n%10 = 75%10 = 5. This is the digit to be added and so on, till your n >= 10. When it is < 10, you have a single digit that you ...
The diamond operator provides no type information, it just says the compiler, "it'll be fine". So by omitting it you can do no harm. At any place where the diamond operator is legal it could be "inferred" by the compiler. IMHO, having a clear and simple way to mark a source as Java 7 would be more useful than inventing such strange things.
Apr 9, 2011 · While && operator will stop evaluating the second argument if the first argument's result is false. One more difference between these two is, Bitwise & operator is applicable for boolean as well as integral types. While short-circuit && operator is applicable only for the boolean type. We can write.
The arrow operator is used to create lambda expressions, linking/separating parameters with the lambda body. syntax: (parameters) -> {expression}; It is also an efficient way of implementing functional interfaces like onClickListeners in java. answered Dec 2, 2022 at 10:09.
Apr 26, 2012 · 323. This is the ternary conditional operator, which can be used anywhere, not just the print statement. It's sometimes just called "the ternary operator", but it's not the only ternary operator, just the most common one. Here's a good example from Wikipedia demonstrating how it works: A traditional if-else construct in C, Java and JavaScript ...
Nov 22, 2016 · Indeed. To expand on dcp's explanation slightly, in Java a single pipe, |, is what is called a 'Bitwise OR'. That means that it performs a low level OR on the actual bits that make up the arguments. In this case, 3 is 0011 and 4 is 0100 (least 4 significant bits shown). A Bitwise OR goes through each bit and sets it to a 1 if either of the bits ...
