Karteikarten
ArrayList cards
Karten in diesem Stapel (7)
- 1Accessing elements of ArrayList with..- Enhanced for loop
- Iterator
-ListIterator - 2Accessing elements of an ArrayList with Enhanced for loopArrayList arrList = new ArrayList <>();
For (int i : arrList) { System.out.println (i); } - 3Accessing elements of an ArrayList with ListIteratorArrayList arrList = new ArrayList<>();
arrList.add(new StringBuilder(" a " ));
arrList.add(new StringBuilder(" b "));
ListIterator iterator = arrList.listIterator();
while( iterator.hasNext () ){
System.out.print(iterator.next();
} - 4Modifying the elements of an ArrayListby using the method set();
or accessing its individual elements - 5ArrayList defines two methods to remove its element- remove(int index); removes at specified position
remove(Object o); removes the first occurrence of the specified element from this list, if it's present - 6Method to clear an ArrayListYou can remove all the elements in an ArrayList by calling clear()
- 7Methods for Accessing ArrayList elements- get(int index) -- returns the element at the specified position
- size() -- returns the number of elements
- contains(Objec o) -- returns true if an ArrayList contains the specified element
- indexOf(Object o) -- returns the index of the first occurrence of the specified element in the list, or -1 if it does not exist
- lastIndexOf(Object o) -- returns the last occurrence of the specified element in the list, or -1 if it does not exist
Informationen
- Beschreibung
- Karteikarten am ArrayList cards, erstellt von alim586 am 19/06/2015.
- Erstellt von
- alim586
- Aufrufe
- 6
- Tags
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