Java Collection Tutorial - Java ArrayList.remove(Object o)

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Syntax

ArrayList.remove(Object o) has the following syntax.

public boolean remove(Object o)

Example

In the following code shows how to use ArrayList.remove(Object o) method.

/* ww  w.  j a v  a  2  s .  c  o  m*/
import java.util.ArrayList;

public class Main {
   public static void main(String[] args) {
      
    ArrayList<String>  arrlist = new ArrayList<String> (5);

    arrlist.add("G");
    arrlist.add("E");
    arrlist.add("F");
    arrlist.add("M");
    arrlist.add("E");
    arrlist.add("from java2s.com");

    System.out.println("Size of list: " + arrlist.size());

    System.out.println(arrlist);
  
    // Removes first occurrence of "E"
    boolean value = arrlist.remove("E");

    System.out.println("Now, Size of list: " + arrlist.size());
  
    System.out.println("Value = " + arrlist);
  }
}

The code above generates the following result.

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