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public abstract class java.util.Dictionary
extends java.lang.Object (I-§1.12)
{
// Constructors
public Dictionary(); §3.3.1
// Methods
public abstract Enumeration elements(); §3.3.2
public abstract Object get(Object key); §3.3.3
public abstract boolean isEmpty(); §3.3.4
public abstract Enumeration keys(); §3.3.5
public abstract Object put(Object key, Object value) §3.3.6
public abstract Object remove(Object key); §3.3.7
public abstract int size(); §3.3.8
}
The Dictionary class is the abstract parent of any class, such as Hashtable (I-§3.4), which
maps keys to values. Any non-null object can be used as a key and as a value.
As a rule, the equals method (I-§1.12.3) should be used by implements of this class to decide if two keys are the same.
public Dictionary()
public abstract Enumeration elements()
public abstract Object get(Object key)
key
- a key in this dictionary
public abstract boolean isEmpty()
public abstract Enumeration keys()
public abstract Object put(Object key, Object value)
key
- the hashtable key
value
- the value.
public abstract Object remove(Object key)
key
- the key that needs to be removed
public abstract int size()
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