The List interface in Java provides a way to store the ordered collection. It is a child interface of Collection. It is an ordered collection of objects in which duplicate values can be stored . Since List preserves the insertion order, it allows positional access and insertion of elements.
Read moreWhy objects are used in Java?
Objects are required in OOPs because they can be created to call a non-static function which are not present inside the Main Method but present inside the Class and also provide the name to the space which is being used to store the data.
Read moreWhat are objects types in Java?
Object Data Type: These are also referred to as Non-primitive or Reference Data Type. They are so-called because they refer to any particular objects. Unlike the primitive data types, the non-primitive ones are created by the users in Java. Examples include arrays, strings, classes, interfaces etc .
Read moreAre methods part of a class?
In class-based programming, methods are defined within a class , and objects are instances of a given class. One of the most important capabilities that a method provides is method overriding – the same name (e.g., area ) can be used for multiple different kinds of classes.
Read moreHow do you initiate a class in Java?
To initialize a class member variable, put the initialization code in a static initialization block , as the following section shows. To initialize an instance member variable, put the initialization code in a constructor.
Read moreHow do you create a class?
Create a class
Read moreHow many methods of objects are there in Java?
There are 11 methods in Object class . Checks whether the obj object is equal to the object on which the equals method is called .
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