Like a class, an interface can have methods and variables, but the methods declared in interface are by default abstract (only method signature, no body). Interfaces specify what a class must do and not how . It is the blueprint of the class.13 Tem 2021
Read moreWhat is the difference between a class and interface?
A class describes the attributes and behaviors of an object. An interface contains behaviors that a class implements . A class may contain abstract methods, concrete methods. An interface contains only abstract methods.
Read moreHow do you identify a class interface?
Like a class, an interface can have methods and variables, but the methods declared in interface are by default abstract (only method signature, no body). Interfaces specify what a class must do and not how . It is the blueprint of the class.13 Tem 2021
Read moreDo you know some methods in object class?
int hashCode() – Used to get a hash code value for the object. void notify() – Used to wake up a single thread that is waiting on this object’s monitor. void notifyAll() – Used to wake up all threads that are waiting on this object’s monitor. String toString() – Used to get a string representation of the object.6 Şub 2018
Read moreWhat are the methods of an object?
a method is an action which an object is able to perform . sending a message to an object means asking the object to execute or invoke one of its methods.
Read moreHow many methods are available in object class?
There are 11 methods in Object class .
Read moreWhich are the methods of object class?
Methods of Object class MethodDescriptionpublic int hashCode()returns the hashcode number for this object.public boolean equals(Object obj)compares the given object to this object.protected Object clone() throws CloneNotSupportedExceptioncreates and returns the exact copy (clone) of this object.Java Object Class – Javatpoint www.javatpoint.com › object-class
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