Effective Java¶ÁÊé±Ê¼Ç
package chape8;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
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* ÀýÈ磺
* for(Element e : c)
* {
* dosomthing(e);
* }
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* ÔÙÀ´¿´£ºÏÂÃæÊÇjava1.5ÒÔǰµÄforÑ»·
* List c = new ArrayList ();
Iterator it = c.iterator();
while(it.hasNext())
{
it.next();
}
List c1 = new ArrayList();
Iterator it1 = c1.iterator();
while(it.hasNext())
{
it1.next();
}
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* ĪÃûÆäÃîµÄÎÊÌ⣻
* Èç¹û這樣寫£º
* List c = new ArrayList ();
for (Iterator it = c.iterator();it.hasNext();)
{
it.next();
}
List c1 = new ArrayList();
while(Iterator it1 = c1.iterator();it.hasNext();)
{
it1.next();
}
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* @author lee
*
*/
public class Chape45 {
public static void main(String[] args) {
/*List c = new ArrayList ();
Iterator it = c.iterator();
while(it.hasNext())
{
it.next();
}
List c1 = new ArrayList();
Iterator it1 = c1.iterator();
while(it.hasNext())
{
it1
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