String is most used java class in any java project. Java treated String as special class. Lets see, what so special in String. String Basics String is group of characters. char[] chrs = {'i',' ','a','m',' ','h','e','r','o','.'}; String str = new String(chrs); System.out.println(str); /* Output: i am hero. */ String is an immutable class. Immutable class: A java class which object can not be modified if once created. Because String class is immutable, String is final in nature, its mean you can not modify string object once you created. Default value of string is null. Simplest way to initialize String is //object created in String Literal Pool String str = "hello world"; Above example known as String literal, All string literals in Java programs, such as "hello world", are object of String class. Another way to create String object is //object created in Heap m
