public NullIterator_Example() {
super();
}
public void addValue( Integer value ) {
if ( values == null ) {
values = new ArrayList(10);
}
values.add( value );
}
public Iterator getValues() {
if ( values == null ) {
return null;
}
return values.iterator();
}
private List values;
public static void main( String[] args) {
NullIterator_Example example = new NullIterator_Example();
for ( Iterator iter = example.getValues(); iter.hasNext(); ) {
System.out.println( iter.next() );
}
}
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