Java Collection, ArrayList Exercises: Compare two array lists
Java Collection, ArrayList Exercises: Exercise-13 with Solution
Write a Java program to compare two array lists.
Pictorial Presentation:
Sample Solution:-
Java Code:
import java.util.*;
public class Exercise13 {
public static void main(String[] args) {
ArrayList<String> c1= new ArrayList<String>();
c1.add("Red");
c1.add("Green");
c1.add("Black");
c1.add("White");
c1.add("Pink");
ArrayList<String> c2= new ArrayList<String>();
c2.add("Red");
c2.add("Green");
c2.add("Black");
c2.add("Pink");
//Storing the comparison output in ArrayList<String>
ArrayList<String> c3 = new ArrayList<String>();
for (String e : c1)
c3.add(c2.contains(e) ? "Yes" : "No");
System.out.println(c3);
}
}
Sample Output:
[Yes, Yes, Yes, No, Yes]
Flowchart:
Java Code Editor:
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Next: Swap two elements in an array list.
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Java: Tips of the Day
How to sort an ArrayList?
Collections.sort(testList); Collections.reverse(testList);
That will do what you want. Remember to import Collections though!
Ref: https://bit.ly/32urdSe
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