Java

Java ArrayList size() method Returns the number of elements in this list. Method Signature public int size() Specified by: size in interface Collection Specified by: […]

Java ArrayList addAll(int index, Collection<? extends E> c) method Inserts all of the elements in the specified collection into this list, starting at the specified […]

Java ArrayList isEmpty() method Returns true if this list contains no elements. Method Signature public boolean isEmpty() Specified by: isEmpty method in interface Collection Specified by: isEmpty […]

Java ArrayList removeRange() method Removes from this list all of the elements whose index is between fromIndex, inclusive, and toIndex, exclusive. Shifts any succeeding elements […]

Java ArrayList contains() method Returns true if this list contains the specified element. More formally, returns true if and only if this list contains at […]

Java ArrayList removeAll() method Removes from this list all of its elements that are contained in the specified collection. Method Signature public boolean removeAll(Collection<?> c) Specified by: removeAll […]

Java ArrayList indexOf() method Returns the index of the first occurrence of the specified element in this list, or -1 if this list does not […]

Java ArrayList retainAll() method Retains only the elements in this list that are contained in the specified collection. In other words, removes from this list […]

Java ArrayList clone() method Returns a shallow copy of this ArrayList instance. (The elements themselves are not copied.) Method Signature public Object clone() Overrides: clone method in […]