(a) Prior to JDK 1.5
(b) Since JDK 1.5
java.util.ArrayList
+ArrayList()
+add(o: Object): void
+add(index: int, o: Object): void
+clear(): void
+contains(o: Object): boolean
+get(index: int): Object
+indexOf(o: Object): int
+isEmpty(): boolean
+lastIndexOf(o: Object): int
+remove(o: Object): boolean
+size(): int
+remove(index: int): Object
+set(index: int, o: Object): Object
java.util.ArrayList
<E>
+ArrayList()
+add(o:
E
): void
+add(index: int, o:
E
): void
+clear(): void
+contains(o: Object): boolean
+get(index: int):
E
+indexOf(o: Object): int
+isEmpty(): boolean
+lastIndexOf(o: Object): int
+remove(o: Object): boolean
+size(): int
+remove(index: int): E
+set(index: int, o:
E
): E