int[]arr=new int[]{8,2,1,0,3};int[] index=new int[]{2,0,3,2,4,0,1,3,2,3,3};String tel="";for(int i:index){tel+=arr[i];}
如果想把foreach語(yǔ)句改成for語(yǔ)句，請(qǐng)問(wèn)該怎么操作？
至尊寶的傳說(shuō)
2021-12-01 18:07:18
