List remove(Object obj) method in Java with Examples
The remove(Object obj) method of List interface in Java is used to remove the first occurrence of the specified element obj from this List if it is present in the List.
boolean remove(Object obj)
Parameters: It accepts a single parameter obj of List type which represents the element to be removed from the given List.
Return Value: It returns a boolean value True after removing the first occurrence of the specified element from the List and otherwise if the element is not present in the List then this method will return False.
Below program illustrate the remove(Object obj) method of List in Java:
Initial List: [5.0, 10.5, 15.1, 20.6, 25.2] Final List: [5.0, 10.5, 20.6, 25.2]
Initial List: [Welcome, to, Geeks, for, Geeks] Final List: [Welcome, to, Geeks, Geeks]
Note: Be careful while using a List of integers as while passing an integer element to the remove method, the list will treat the method as remove(int index). It will consider the element as index and not actual element.
Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course.