单选题现有: 3. import java.util.*; 4. class ForInTest { 5. static List list = new ArrayList(); 6. 7. public static void main(String [] args) { 8. list.add("a"); list.add("b"); list.add("c"); 9. //insert code here 10. System.out.print(o); 11. } 12. } 哪一行插入到第9行将导致输出“abc”?()A for(Object o : list)B for(Iterator o : list)C for(Object o : list.iterator())D for(Iterator o : list.iterator(); o.hasNext (); )
单选题
现有: 3. import java.util.*; 4. class ForInTest { 5. static List list = new ArrayList(); 6. 7. public static void main(String [] args) { 8. list.add("a"); list.add("b"); list.add("c"); 9. //insert code here 10. System.out.print(o); 11. } 12. } 哪一行插入到第9行将导致输出“abc”?()
A
for(Object o : list)
B
for(Iterator o : list)
C
for(Object o : list.iterator())
D
for(Iterator o : list.iterator(); o.hasNext (); )
参考解析
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