What are the main differences between Collection and Collections?

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Pragya Keshap answered on February 4, 2023 Popularity 5/10 Helpfulness 1/10

answer What are the main differences between Collection and Collections?

What are the main differences between Collection and Collections?

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Main differences between Collection and Collections are as

follows:

1. Collection is an interface in Java. But Collections is a

class in Java.

2. Collection is a base interface. Collections is a utility class

in Java.

3. Collection defines methods that are used for data structures

that contain the objects. Collections defines the methods

that are used for operations like access, find etc. on a

Collection

class GFG {
    
    public static void main (String[] args) 
    {
        
      // Creating an object of List<String>
      List<String> arrlist = new ArrayList<String>(); 
        
      // Adding elements to arrlist
      arrlist.add("geeks");
      arrlist.add("for");
      arrlist.add("geeks");
        
      // Printing the elements of arrlist
      // before operations
      System.out.println("Elements of arrlist before the operations:");
      System.out.println(arrlist);
        
      System.out.println("Elements of arrlist after the operations:");
        
      // Adding all the specified elements
      // to the specified collection
      Collections.addAll(arrlist, "web", "site");
        
      // Printing the arrlist after
      // performing addAll() method
      System.out.println(arrlist);
        
      // Sorting all the elements of the  
      // specified collection according to 
      // default sorting order
      Collections.sort(arrlist);
          
      // Printing the arrlist after
      // performing sort() method
      System.out.println(arrlist);
          
    }
}

https://www.geeksforgeeks.org/collection-vs-collections-in-java-with-example/

Popularity 5/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: between java

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Contributed on Feb 04 2023

Pragya Keshap

0 Answers Avg Quality 2/10

What are the main differences between Collection and Collections?

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