Code example for Map

Methods: isEmpty

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    } 
 
 
    @Override 
    public boolean isEmpty() { 
        return this.internalMap.isEmpty();
    } 
 
 
    @Override 
    public boolean containsKey(final Object key) {
        return this.internalMap.containsKey(key);
    } 
 
 
    @Override 
    public boolean containsValue(final Object value) {
        return this.internalMap.containsValue(value);
    }