Abstract Data Type and Interface

Question

I am new to Java. What is the difference between Abstract data type and Interface.

For Example We have a ListADT

interface MyListADT {
    void          


        

Answer 1

What is the difference between Abstract data type and Interface.

1. Variables declared in a Java interface is by default final. An abstract class may contain non-final variables.
2. Members of a Java interface are public by default. A Java abstract class can have the usual flavors of class members like private, protected, etc.. check this link for info