エラーが発生しました：比類のない型：charとString

Question

文字配列をchar配列に変換する方法はありますか？ toCharArrayちょうどStringクラス

String alphabet = "aAbBcCdDeEfFgGhHiIjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ"; 
char[] charArray = alphabet.toCharArray(); 

の方法ですので、あなたがStringオブジェクトを使用する必要が

error: cannot find symbol 
     char[] charArray = alphabet.toCharArray(); 

Answer 1

このコードは、すべての `STRING`配列を使用する必要がないのはなぜ文字列配列は、配列

String[] alphabet = {"a","A","b","B","c","C","d","D","e","E","f","F","g","G","h","H","i","I","j","J","k","K","l","L","m","M","n","N","o","O","p","P","q","Q","r","R","s","S","t","T","u","U","v","V","w","W","x","X","y","Y","z","Z"}; 
String s = ""; 
for (String n:alphabet) 
    s+= n; 
char[] c = s.toCharArray(); 

Answer 2

：

String[] alphabet = {"a","A","b","B","c","C","d","D","e","E","f","F","g","G","h","H","i","I","j","J","k","K","l","L","m","M","n","N","o","O","p","P","q","Q","r","R","s","S","t","T","u","U","v","V","w","W","x","X","y","Y","z","Z"}; 
    char[] charArray = alphabet.toCharArray(); 

現在、これは私のエラーメッセージを表示します。現在、私は、コードを持っていますあなたがまだ文字列配列が必要な場合は空の文字列に分割するだけです

String [] arr = alphabet.split(""); // your String array