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Showing posts from March, 2013

String literal pool & Creating the String object Using new()

What is String literal pool? How to create a String There are two ways to create a String object in Java: Using the  new  operator. For example,  String str = new String("Hello"); . Using a  string literal  or  constant expression) . For example, String str="Hello";  (string literal) or String str="Hel" + "lo";  (string constant expression). What is difference between these String's creations? In Java, the  equals  method can be considered to perform a deep comparison of the value of an object, whereas the  ==  operator performs a shallow comparison. The  equals  method compares the content of two objects rather than two objects' references. The  ==  operator with reference types (i.e., Objects) evaluates as  true  if the references are identical - point to the same object. With value types (i.e., primitives) it evaluates as  true  if the value is identical. The  equals ...