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 …

How do the post increment (i++) and pre increment (++i) operators work in Java? Asked 15 years, 11 months ago Modified 1 year, 9 months ago Viewed 450k times

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 …

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 …

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<Car>) CollectionUtils.select(list...

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 …

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 …

May 15, 2017 · What is the percent % operator in java? Asked 8 years, 9 months ago Modified 4 years, 7 months ago Viewed 64k times

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 …

Feb 7, 2013 · The flag Xmx specifies the maximum memory allocation pool for a Java Virtual Machine (JVM), while Xms specifies the initial memory allocation pool. This means that your JVM will be …