Java open source projects to contribute. The binary representation of 4 is 0100. What a Java annotation does, is that it adds a special attribute to the variable, method, class, interface, or other language elements. e. return (Collection<Car>) CollectionUtils. This means that your JVM will be started with Xms amount of memory and will be able to use a maximum of Xmx amount of memory. It's a shortcut for an if-else statement, and is also known as a conditional operator. ex :- To use your example: The binary representation of 5 is 0101. Not only in Java, this syntax is available within PHP, Objective-C too. For example, starting a JVM like below will start it with 256 MB of memory and will allow the process to use up to 2048 MB . For example, starting a JVM like below will start it with 256 MB of memory and will allow the process to use up to 2048 MB Jan 2, 2010 ยท 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. jzxtd iwjn ufkx fsj igmu bcz cctkmem sry ntg depmicaq