Java: Extract a portion of a array list

Last update on May 21 2025 12:47:36 (UTC/GMT +8 hours)

12. Extract Sublist from ArrayList

Write a Java program to extract a portion of an array list.

Pictorial Presentation:

Sample Solution:-

Java Code:

import java.util.*;
  public class Exercise12 {
  public static void main(String[] args) {
  // Creae a list and add some colors to the list
  List<String> list_Strings = new ArrayList<String>();
  list_Strings.add("Red");
  list_Strings.add("Green");
  list_Strings.add("Orange");
  list_Strings.add("White");
  list_Strings.add("Black");
  System.out.println("Original list: " + list_Strings);
  List<String> sub_List = list_Strings.subList(0, 3);
  System.out.println("List of first three elements: " + sub_List);
 }
}

Sample Output:

Original list: [Red, Green, Orange, White, Black]                      
List of first three elements: [Red, Green, Orange]

Flowchart:

For more Practice: Solve these Related Problems:

• Write a Java program to extract a sublist from an ArrayList using subList() and then print the sublist.
• Write a Java program to extract the first half of an ArrayList and then merge it with the second half reversed.
• Write a Java program to create a new ArrayList containing elements from a specified start index to an end index using streams.
• Write a Java program to remove a range of elements from an ArrayList and print the remaining list.

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