public static void main(String[] args) { String arr[]={"abcj","dkfhka","skahf","djakhafk"}; int index=0; for(int i=1;i if(arr[i].length()>arr[index].length()){ //比较字符串的长度，将最长的筛选出来，记下角标。 index=i; } } System.out.println(arr[index]);}
