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  1. What is the Java ?: operator called and what does it do?

    It's a ternary operator (in that it has three operands) and it happens to be the only ternary operator in Java at the moment. However, the spec is pretty clear that its name is the conditional …

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

    How do the post increment (i++) and pre increment (++i) operators work in Java? Asked 15 years, 7 months ago Modified 1 year, 4 months ago Viewed 447k times

  3. What is the point of the diamond operator (<>) in Java?

    The diamond operator in java 7 allows code like the following: List<String> list = new LinkedList<>(); However in Java 5/6, I can simply write: List<String> list = new LinkedList(); …

  4. 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 …

  5. 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 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.

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

    0 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: == Operator: …

  7. 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, …

  8. Is there a difference between x++ and ++x in java?

    Jul 7, 2009 · 12 In Java there is a difference between x++ and ++x ++x is a prefix form: It increments the variables expression then uses the new value in the expression. For example if …

  9. What does Java option -Xmx stand for? - Stack Overflow

    The -Xmx option changes the maximum Heap Space for the VM. java -Xmx1024m means that the VM can allocate a maximum of 1024 MB. In layman terms this means that the application can …

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

    While hunting through some code I came across the arrow operator, what exactly does it do? I thought Java did not have an arrow operator. return (Collection&lt;Car&gt;) …