Saturday, 25 September 2010

ArrayList example 2

// Create the list
List list = new LinkedList(); // Doubly-linked list
list = new ArrayList(); // List implemented as growable array
// Append an element to the list
list.add("a"); 
// Insert an element at the head of the list
list.add(0, "b"); 
// Get the number of elements in the list
int size = list.size(); // 2 
// Retrieving the element at the end of the list
Object element = list.get(list.size()-1); // a
// Retrieving the element at the head of the
list element = list.get(0); // b
// Remove the first occurrence of an element boolean
b = list.remove("b"); // true
b = list.remove("b"); // false // Remove the element at a particular index element = list.remove(0); // a

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