//List转换为字符串数组liststringlist=newarrayliststring (; list.add(a1 ); list.add(a2 ); string [ ] tobe stored=list.to array (new string [ list.size () ]; for(strings:tobestored ) system.out.println ); }//将字符串数组转换为ListString[]arr=newString[]{'1','2'}; listlist=Arrays.aslist(ARR;