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list of lists java

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Concerned Centipede answered on February 5, 2021 Popularity 10/10 Helpfulness 3/10

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list of lists java

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List<ArrayList<String>> listOfLists = new ArrayList<ArrayList<String>>();

Popularity 10/10 Helpfulness 3/10 Language typescript

Source: Grepper

Tags: java list typescript

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Contributed on Aug 05 2021

Concerned Centipede

0 Answers Avg Quality 2/10

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list java

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    import java.util.*;  
    public class ListExample1{  
    public static void main(String args[]){  
     //Creating a List  
     List<String> list=new ArrayList<String>();  
     //Adding elements in the List  
     list.add("Mango");  
     list.add("Apple");  
     list.add("Banana");  
     list.add("Grapes");  
     //Iterating the List element using for-each loop  
     for(String fruit:list)  
      System.out.println(fruit);  
      
    }  
    }

Popularity 10/10 Helpfulness 5/10 Language java

Source: www.javatpoint.com

Tags: java

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Contributed on Nov 01 2022

Pratik Lonari

0 Answers Avg Quality 2/10

java list

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import java.util.*;
var list = new ArrayList<String>();
list.add("Hello World!");

Popularity 10/10 Helpfulness 3/10 Language java

Source: Grepper

Tags: java

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Contributed on Feb 05 2021

Merlin4 (ranken)

0 Answers Avg Quality 2/10

Java List

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// Java Program to illustrate the
// addition of elements in a List
 
import java.util.*;
public class GFG {
 
    public static void main(String args[])
    {
 
        // Creating a List
        List<String> al = new ArrayList<>();
 
        // Adding elements in the List
        al.add("mango");
        al.add("orange");
        al.add("Grapes");
 
        // Iterating the List
        // element using for-each loop
        for (String fruit : al)
            System.out.println(fruit);
    }
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: www.geeksforgeeks.org

Tags: java

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Contributed on Jun 25 2022

MrMike

0 Answers Avg Quality 2/10

list of lists java

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import java.util.ArrayList;
import java.util.List;

public class ListOfListsExample {
    public static void main(String[] args) {
        // Create a list of lists
        List<List<Integer>> listOfLists = new ArrayList<>();

        // Create the first inner list
        List<Integer> innerList1 = new ArrayList<>();
        innerList1.add(1);
        innerList1.add(2);
        innerList1.add(3);

        // Create the second inner list
        List<Integer> innerList2 = new ArrayList<>();
        innerList2.add(4);
        innerList2.add(5);
        innerList2.add(6);

        // Add the inner lists to the outer list
        listOfLists.add(innerList1);
        listOfLists.add(innerList2);

        // Access the elements in the list of lists
        int element = listOfLists.get(0).get(1);
        System.out.println("Element at index (0, 1): " + element);
    }
}

Popularity 9/10 Helpfulness 3/10 Language java

Source: Grepper

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Contributed on Sep 11 2023

YOU.com

0 Answers Avg Quality 2/10

list of list in java

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// Java code to demonstrate the concept of
// list of lists using iterator
  
import java.util.*;
  
class List_of_list {
  
    // Iterate the 2D list using Iterator
    // and print each element
    public static <K> void
    iterateUsingIterator(List<List<K> > listOfLists)
    {
        // Iterator for the 2D list
        Iterator listOfListsIterator
            = listOfLists.iterator();
  
        System.out.println("[");
        while (listOfListsIterator.hasNext()) {
  
            // Type cast next() method
            // to convert from Object to List<K>
            List<K> list = new ArrayList<K>();
  
            list = (List<K>)listOfListsIterator.next();
  
            // Iterator for list
            Iterator eachListIterator
                = list.iterator();
  
            System.out.print("  [");
            while (eachListIterator.hasNext()) {
  
                System.out.print(
                    "  "
                    + eachListIterator.next()
                    + ", ");
            }
            System.out.println("], ");
        }
        System.out.println("]");
    }
  
    // Driver code
    public static void main(String[] args)
    {
  
        // List of Lists
        ArrayList<List<Integer> > listOfLists
            = new ArrayList<List<Integer> >();
  
        // Create N lists one by one
        // and append to the list of lists
        List<Integer> list1
            = new ArrayList<Integer>();
        list1.add(5);
        list1.add(10);
        listOfLists.add(list1);
  
        List<Integer> list2
            = new ArrayList<Integer>();
        list2.add(1);
        listOfLists.add(list2);
  
        List<Integer> list3
            = new ArrayList<Integer>();
        list3.add(20);
        list3.add(30);
        list3.add(40);
        listOfLists.add(list3);
  
        // Iterate the 2D list
        iterateUsingIterator(listOfLists);
    }
}

Popularity 10/10 Helpfulness 2/10 Language java

Source: www.geeksforgeeks.org

Tags: java

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Contributed on Apr 24 2022

Pankaj Kumar Prasad

0 Answers Avg Quality 2/10

java list

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import java.util.*;

public class CollectionExample {
    public static void main(String[] args) {
        // Set Example
        Set<String> setExample = new HashSet<>();
        setExample.add("Apple");
        setExample.add("Banana");
        setExample.add("Orange");

        // iterating through set
        Iterator<String> setIterator = setExample.iterator();
        while (setIterator.hasNext()) {
            System.out.println(setIterator.next());
        }
        // Alternative iteration
        for (String item : setExample) {
            System.out.println(item);
        }

        // List Example
        List<Integer> listExample = new ArrayList<>();
        listExample.add(10);
        listExample.add(20);
        listExample.add(30);

        // iterating through List
        Iterator<Integer> listIterator = listExample.iterator();
        while (listIterator.hasNext()) {
            System.out.println(listIterator.next());
        }
        // Alternative iteration
        for (Integer value : listExample) {
            System.out.println(value);
        }

        // Map Example
        Map<String, Integer> mapExample = new HashMap<>();
        mapExample.put("One", 1);
        mapExample.put("Two", 2);
        mapExample.put("Three", 3);

        // iterating through Map
        Iterator<Map.Entry<String, Integer>> mapIterator = mapExample.entrySet().iterator();
        while (mapIterator.hasNext()) {
            Map.Entry<String, Integer> entry = mapIterator.next();
            System.out.println(entry.getKey() + ": " + entry.getValue());
        }
        // Alternative iteration
        for (Map.Entry<String, Integer> entry : mapExample.entrySet()) {
            System.out.println(entry.getKey() + ": " + entry.getValue());
        }
    }
}

Popularity 10/10 Helpfulness 2/10 Language java

Source: Grepper

Tags: java

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Contributed on Jan 01 2024

Innocent Iguana

0 Answers Avg Quality 2/10

list of lists java

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