Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

Follow these steps to find the length of a String in Java: Declare a variable of type String Initialize the String variable to ... contains a length() method that returns the total number of ...

The default constructor in Java takes no arguments -- it simply initializes reference types to null and primitive types to the binary equivalent of zero. That means instance variables are ... The null ...