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list remove java

Author

Mia Russell

Updated on August 16, 2026

How to remove a SubList from a List in Java
Method 1: Using subList() and clear() method. Syntax: List.subList(int fromIndex, int toIndex).clear() Example: // Java code to remove a subList using. Method 2: Using removeRange() method. Syntax: List.removeRange(int fromIndex, int toIndex) Example:

How do you remove everything from a list in Java?

Remove all elements from the ArrayList in Java
Using clear() method: Syntax: collection_name.clear(); Code of clear() method: public void clear() { for (int i = 0; i

How do I remove numbers from a list in Java?

The remove(int index) method of List interface in Java is used to remove an element from the specified index from a List container and returns the element after removing it. It also shifts the elements after the removed element by 1 position to the left in the List.

Can we remove element from list in Java?

You cannot remove an element from a list while you’re iterating over said list. Make a copy and remove items from that instead, or do it directly to the iterator. With Java 8, the most effective way to do this is use the removeIf(predicate) method on the list.

How do I remove an item from a list?

There are three ways in which you can Remove elements from List:
Using the remove() method.Using the list object’s pop() method.Using the del operator.

How do I remove multiple elements from a list in Java?

2. Examples
Remove multiple objects using List. removeAll method. If both are collection objects and we want to remove all element from another collection then removeAll can be used. Remove multiple objects using List. removeIf (Java 8) Remove multiple objects using Iterator (Java 7) Remove elements using Iterator.

What does Clear () do in Java?

Set. clear() method is used to remove all the elements from a Set. Using the clear() method only clears all the element from the set and not deletes the set. In other words, we can say that the clear() method is used to only empty an existing Set.

What is list clear?

The clear() method of List interface in Java is used to remove all of the elements from the List container. This method does not deleted the List container, instead it justs removes all of the elements from the List. Syntax: public void clear()

How do you clear an ArrayList in Java?

clear() method removes all of the elements from this list. The list will be empty after this call returns.

How do I remove a value from a list in Java 8?

In Java 8, we can use Stream to remove elements from a list by filtering the stream easily.
⮚ Using Collectors.⮚ Using forEach() with List.add()⮚ Using forEach() with List.remove()⮚ Using removeIf()

How do I remove a specific index from a list in Java?

Method remove(int index) is used for removing an element of the specified index from a list. It removes an element and returns the same. It throws IndexOutOfBoundsException if the specified index is less than zero or greater than the size of the list (index size of ArrayList).

Can we remove element from ArrayList while iterating?

ArrayList provides the remove() methods, like remove (int index) and remove (Object element), you cannot use them to remove items while iterating over ArrayList in Java because they will throw ConcurrentModificationException if called during iteration.

How do you remove a character from a string in Java?

The idea is to use the deleteCharAt() method of StringBuilder class to remove first and the last character of a string. The deleteCharAt() method accepts a parameter as an index of the character you want to remove.

What does .size do in Java?

size() method returns the number of elements in this list i.e the size of the list.

How do you remove an object from an ArrayList?

There are 3 ways to remove an element from ArrayList as listed which later on will be revealed as follows:
Using remove() method by indexes(default)Using remove() method by values.Using remove() method over iterators.

How do you delete an element from an array?

There are different methods and techniques you can use to remove elements from JavaScript arrays:
pop – Removes from the End of an Array.shift – Removes from the beginning of an Array.splice – removes from a specific Array index.filter – allows you to programatically remove elements from an Array.

What is the difference between pop () method and remove () method of a list in Python?

Array elements can be removed using pop() or remove() method. The difference between these two functions is that the former returns the deleted value whereas the latter does not. The pop() function takes either no parameter or the index value as its parameter.

How do I remove a specific index from a list in Java?

Method remove(int index) is used for removing an element of the specified index from a list. It removes an element and returns the same. It throws IndexOutOfBoundsException if the specified index is less than zero or greater than the size of the list (index size of ArrayList).

How do you remove an element from an ArrayList in Java?

remove() Method. Using the remove() method of the ArrayList class is the fastest way of deleting or removing the element from the ArrayList. It also provides the two overloaded methods, i.e., remove(int index) and remove(Object obj).

How do you filter a list in Java?

Java 8 (2014) solves this problem using streams and lambdas in one line of code:
List beerDrinkers = persons. stream() . filter(p -> p. getAge() > 16). collect(Collectors. persons. removeIf(p -> p. getAge() beerDrinkers = select(persons, having(on(Person. class). getAge(), greaterThan(16)));

How do I remove a string from an ArrayList in Java?

How to remove element from ArrayList in Java
remove(E element) – remove the element at specifid index.remove(E element) – remove the element by value.removeIf(Predicate p) – remove all elements by specified value.