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  1. What is the difference between == and equals () in Java?

    Main difference between == and equals in Java is that "==" is used to compare primitives while equals() method is recommended to check equality of objects. String comparison is a common scenario of …

  2. 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 …

  3. What does the ^ operator do in Java? - Stack Overflow

    Jan 2, 2010 · 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 …

  4. How do the post increment (i++) and pre increment (++i) operators …

    How do the post increment (i++) and pre increment (++i) operators work in Java? Asked 16 years, 2 months ago Modified 1 year, 11 months ago Viewed 451k times

  5. java - Difference between >>> and >> - Stack Overflow

    May 11, 2010 · But it shifts -128 to 32 when, as is typical in Java, the bits are interpreted in two's complement. Therefore, if you are shifting in order to divide by a power of two, you want the …

  6. double colon) operator in Java 8 - Stack Overflow

    Nov 15, 2013 · 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 …

  7. What is the purpose of the unsigned right shift operator ">>>" in Java?

    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 …

  8. What is the percent % operator in java? - Stack Overflow

    May 15, 2017 · This method is used to calculate the sum of the digits in a number recursively, but I do not understand it? What is the purpose of n%10???

  9. What does the arrow operator, '->', do in Java? - Stack Overflow

    Details: Java 6, Apache Commons Collection, IntelliJ 12 Update/Answer: It turns out that IntelliJ 12 supports Java 8, which supports lambdas, and is "folding" Predicates and displaying them as …

  10. What is the difference between & and && in Java? - Stack Overflow

    Apr 9, 2011 · I always thought that && operator in Java is used for verifying whether both its boolean operands are true, and the & operator is used to do Bit-wise operations on two integer …