ArrayList 的五中遍历

/** * @param args */public static void main(String[] args) {// TODO Auto-generated method stubArrayList<String> list = new ArrayList<String>();list.add("A");list.add("B");list.add("C");list.add("D");/*第一种方法Object [] os = list.toArray();for(int i=0; i<list.size(); i++){System.out.print(os[i]+"\t");}*//*第二种方法for(String s : list){System.out.print(s+"\t");}*///第三种方法Object [] os = list.toArray();for(Object temp: os){System.out.print(temp);}/*第四种方法Iterator it = list.iterator();while(it.hasNext()){Object obj = it.next();System.out.print(obj+"\t");}*//*第五种方法 * System.out.println();Iterator it2 = list.iterator();for(;it2.hasNext();){System.out.print(it2.next()+"\t");}*/}