The contains() method of java.util.ArrayList class returns true if this list contains the specified element.
Signature
public boolean contains(Object o)
This method returns returns true if the ArrayList contains the specified element.
Example
The following example shows the usage of java.util.Arraylist.contains(o) method.
import java.util.ArrayList; public class ArrayListSearchExample { public static void main(String args[]) { // Creating an empty array list ArrayList al = new ArrayList(); //Adding elements to the arraylist al.add("Element1"); al.add("Element3"); al.add("Element2"); al.add("Element4"); if(al.contains("Element2")) { System.out.println("Element2 is present at the index "+al.indexOf("Element2")); } else { System.out.println("Element2 is not present in the list"); } } }
Output
Element2 is present at the index 2
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