bag

Interface SimpleBagInterface<T>

public interface SimpleBagInterface<T>

A simplified Bag Interface for students to use in Project 2.

Version:

4.1

Author:

Frank M. Carrano, Timothy M. Henry, loran

Method Summary

Modifier and Type	Method and Description
boolean	add(T newEntry) Adds a new entry to this bag.
int	getCurrentSize() Gets the current number of entries in this bag.
boolean	isEmpty() Sees whether this bag is empty.
T	pick() returns a random entry without removing from the bag.
boolean	remove(T anEntry) Removes one occurrence of a given entry from this bag.

Method Detail

getCurrentSize

int getCurrentSize()

Gets the current number of entries in this bag.

Returns:

The integer number of entries currently in the bag.

isEmpty

boolean isEmpty()

Sees whether this bag is empty.

Returns:

True if the bag is empty, or false if not.

add

boolean add(T newEntry)

Adds a new entry to this bag.

Parameters:

newEntry - The object to be added as a new entry.

Returns:

True if the addition is successful, or false if not.

remove

boolean remove(T anEntry)

Removes one occurrence of a given entry from this bag.

Parameters:

anEntry - The entry to be removed.

Returns:

True if the removal was successful, or false if not.

pick

T pick()

returns a random entry without removing from the bag.

Returns:

T object if found, null if not found or bag is empty.