我正在递归地将字符串转换为Character ArrayList。每次调用函数时都会创建一个新的ArrayList。
public static ArrayList<Character> strToList(String word){ ArrayList<Character> letters = new ArrayList<Character>(); //ArrayList<Character> emptyList = new ArrayList<Character>(); if(word.isEmpty() == true){ return letters; } else { char let = word.charAt(0); letters.add(Character.valueOf(let)); System.out.println(letters); String temp = word.substring(1, word.length()); System.out.println(temp); return strToList(temp); }}
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