Native methods are Java™ methods that start in a language other than Java . Native methods can access system-specific functions and APIs that are not available directly in Java. The use of native methods limits the portability of an application, because it involves system-specific code.
Read moreWhat are Java classes explain with example?
Everything in Java is associated with classes and objects, along with its attributes and methods. For example: in real life, a car is an object. The car has attributes, such as weight and color, and methods, such as drive and brake. A Class is like an object constructor, or a “blueprint” for creating objects .
Read moreWhich class can use all the features of an established class?
Explanation: Object class is superclass of every class in Java.
Read moreCan you implement a class in Java?
The implements keyword is used to implement an interface . The interface keyword is used to declare a special type of class that only contains abstract methods. To access the interface methods, the interface must be “implemented” (kinda like inherited) by another class with the implements keyword (instead of extends ).
Read moreWhat is the name of a concrete class that implements statement and is included in the core JDK?
Some examples of concrete classes from the JDK are HashMap, HashSet, ArrayList, and LinkedList .
Read moreCan classes be used as a data type?
A class is a type of a data type . It allows you to declare a variable along with its datatype.
Read moreWhat are the importance of classes and objects?
The importance of the creation of classes and objects is that they support an object-oriented decomposition into real-world entities .
Read more