第3个回答 2010-04-29
public class ListsDemo {
public static void main(String[] args){
String[] a = {"w","q","w"};
List <String> list = new ArrayList<String>();
list.add(a[0]);
list.add(a[1]);
list.add(a[2]);
//Interator遍历或者foreach遍历
Iterator<String> iter = list.iterator();
while(iter.hasNext()){
String next = iter.next();
System.out.println(next);
}
}
}
结果:w
q
w
第4个回答 2018-04-29
import java.util.ArrayList ;
public class test {
public static void main(String[] args) {
int []A= {1,2,3,4,5,6,};
int []B={5,3,2,1,1};
ArrayList al=new ArrayList() ;
al.add(A );
al.add(B);
int a[]=(int[])al.get(1); //取B[]
for(int i=0;i<a.length ;i++)
System.out.print (a[i]+" ");
}
}
//output 5 3 2 1 1