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The Java Developers Almanac 1.4Order this book from Amazon. |
e349. Creating a List// 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
e351. Operating on Lists
© 2002 Addison-Wesley. |