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java list of classes implementing interface

VirusMc answered on April 1, 2022 Popularity 9/10 Helpfulness 2/10

answer java list of classes implementing interface

related List Interface Java

java list of classes implementing interface

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List<Class<? extends MyInterface>> ClassList = new ArrayList<Class<? extends MyInterface>>();

there is no 'implements' keyword in the world of generics. If you want a type parameter that implements an interface, use the 'extends' keyword to represent it.

Popularity 9/10 Helpfulness 2/10 Language java

Source: stackoverflow.com

Tags: interface java list

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Contributed on Mar 08 2023

VirusMc

0 Answers Avg Quality 2/10

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List Interface Java

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// Java program to Demonstrate List Interface
 
// Importing all utility classes
import java.util.*;
 
// Main class
// ListDemo class
class GFG {
 
    // Main driver method
    public static void main(String[] args)
    {
 
        // Creating an object of List interface
         // implemented by the ArrayList class
        List<Integer> l1 = new ArrayList<Integer>();
 
        // Adding elements to object of List interface
        // Custom inputs
 
        l1.add(0, 1);
        l1.add(1, 2);
 
        // Print the elements inside the object
        System.out.println(l1);
 
        // Now creating another object of the List
        // interface implemented ArrayList class
        // Declaring object of integer type
        List<Integer> l2 = new ArrayList<Integer>();
 
        // Again adding elements to object of List interface
        // Custom inputs
        l2.add(1);
        l2.add(2);
        l2.add(3);
 
        // Will add list l2 from 1 index
        l1.addAll(1, l2);
 
        System.out.println(l1);
 
        // Removes element from index 1
        l1.remove(1);
 
        // Printing the updated List 1
        System.out.println(l1);
 
        // Prints element at index 3 in list 1
        // using get() method
        System.out.println(l1.get(3));
 
        // Replace 0th element with 5
        // in List 1
        l1.set(0, 5);
 
        // Again printing the updated List 1
        System.out.println(l1);
    }
}

Popularity 10/10 Helpfulness 2/10 Language java

Source: www.geeksforgeeks.org

Tags: interface inte

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Contributed on Apr 01 2022

Monika Nechkoska

0 Answers Avg Quality 2/10

java list of classes implementing interface

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List Interface Java

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