Java - Streams
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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>
Samples
- Print all Students name
<source lang="Java"> Student student; Iterator iterator = collection.iterator(); while (iterator.hasNext()) {
student = (Student)(iterator.next()); System.out.println(student.getFullName());
} </source>
- Get a Student
<source lang="Java"> Student student = getNextStudent(); while (student != null) {
collection.add(student);
} </source>
A voir
- Parallel stream