迭代器遍历增强for遍历普通for遍历
package javabase;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class ListTest {
public static void main(String[] args) {
List<String> lists = new ArrayList<String>();
lists.add("111111111");
lists.add("222222222");
lists.add("333333333");
System.out.println("增强for:");
for (String obj : lists){
System.out.println("value:"+obj);
}
System.out.println("普通for:");
for (int i = 0; i< lists.size(); i++){
System.out.println("value:"+lists.get(i));
}
System.out.println("迭代器:");
Iterator it = lists.iterator();
while (it.hasNext()){
Object obj = it.next();
System.out.println("value:"+obj);
}
}
}
Processed:
0.010, SQL:
9
