Constructor and Description |
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Dictionary() |
public abstract int size()
public abstract boolean isEmpty()
public abstract Object get(Object key) throws NullPointerException
NullPointerException
public abstract Object put(Object key, Object Element) throws NullPointerException
NullPointerException
public abstract Object remove(Object key) throws NullPointerException
NullPointerException
public abstract Enumeration keys()
public abstract Enumeration elements()