Java数组中每个元素的长度

您正在尝试遍历单个

int

for (int nums: lengthList) {    System.out.println(nums.length());  }

至

for (String str: list) { // loop through the list of strings    lengthList.add(str.length()); // store the individual length of each string}

以便通过字符串列表循环，收集

length

Arraylist

return