The java.util.ArrayList.remove(int index) method removes the element at the specified position in this list. Answer: Java does not provide a direct method to remove an element from the array. boolean remove (Obejct obj) : It accepts object to be removed. index − The index of the element to be removed . This method returns true if this list contained the specified element, else the list is unchanged. The following example shows the usage of java.util.ArrayList.remove(index) method. Removes the first occurrence of the specified element from this list, if it is present (optional operation). This is a Maven-based project so it should be easy to import and run. Steht übrigens alles in der Java API Doc zu List oder ArrayList (siehe Link von L-ectron-X). Declaration. There are two remove () methods to remove elements from the List. Java List remove () Methods. It returns false if the element to be removed is not present. get(i)==null : o.equals(get(i))) (if such an element exists). public boolean remove(Object o) … Let us compile and run the above program, this will produce the following result −. o − The element to be removed from this list, if present. IndexOutOfBoundsException − if the index is out of range. Following is the declaration for java.util.ArrayList.remove() method. void replaceAll(UnaryOperator operator) Declaration. This method returns the element that was removed from the list . Following is the declaration for java.util.ArrayList.remove() method. E remove (int index): This method removes the element at the specified index and return it. Let us compile and run the above program, this will produce the following result −. boolean remove(Object o) It is used to remove the first occurrence of the specified element. But given an index at which the element is to be deleted, we can use ArrayList to remove the element at the specified index. Shifts any subsequent elements to the left (subtracts one from their indices). Following is the declaration for java.util.ArrayList.remove() method. Shifts any subsequent elements to the left (subtracts one from their indices). It returns true if it finds and removes the element. boolean removeAll(Collection c) It is used to remove all the elements from the list. For this, first, we convert the array to ArrayList and using the remove method we remove the element. The java.util.ArrayList.remove(Object) method removes the first occurrence of the specified element from this list, if it is present.If the list does not contain the element, it is unchanged. List interface in Java (which is implemented by ArrayList and LinkedList) provides two versions of remove method. This article demonstrates us how easy we can Remove Duplicates from a List Using Plain Java, Google Guava and Java 8. The following example shows the usage of java.util.ArrayList.remove(object) method. More formally, removes the element with the lowest index i such that (o==null ? public E remove(int index) Parameters. list.remove (object); Entfernt das übergebene Objekt einmal aus der Liste. index − The index of the element to be removed . Following is the declaration for java.util.ArrayList.remove() method. It is used to remove the element present at the specified position in the list. If this list does not contain the element, it is unchanged. The implementation of all of these examples and snippets can be found in the GitHub project. The java.util.ArrayList.remove(Object) method removes the first occurrence of the specified element from this list, if it is present.If the list does not contain the element, it is unchanged. 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