/*A Java string is a sequence of characters that exists as an object of the class java. lang.
Java strings are created and manipulated through the string class.
Once created, a string is immutable -- its value cannot be changed. A string is sequence of characters.*/
String str = "This is a String":
String str2 = "Hello World";
//u can use .getClass()
System.out.println(Variable.getClass());