Revision as of 16:52, 18 October 2019

Collections

<source lang="Java"> add(Object o)

Adds the specified object to the collection.

remove(Object o)

Removes the specified object from the collection.

clear()

Removes all elements from the collection.

size()

Returns an integer that indicates how many elements are currently in the collection.

iterator()

Returns an object that can be used to retrieve references to the elements in the collection.

</source>

<source lang="Java"> Student student; Iterator iterator = collection.iterator(); while (iterator.hasNext()) {

   student = (Student)(iterator.next());
   System.out.println(student.getFullName());

} </source>

@@ Line 1: / Line 1: @@
 =Collections=
+===Main Methods===
+<source lang="Java">
+add(Object o)
+Adds the specified object to the collection.
+remove(Object o)
+Removes the specified object from the collection.
+clear()
+Removes all elements from the collection.
+size()
+Returns an integer that indicates how many elements are currently in the collection.
+iterator()
+Returns an object that can be used to retrieve references to the elements in the collection.
+</source>
+===Sample===
 <source lang="Java">
 Student student;