Java语言如何将字符串转换成数组,如何将数组转换成字符串
要有完成的代码
//字符串转字符数组
String str = "123abc";
char[] ar = str.toCharArray();
//数组转字符串
String[] arr ={"0123","sb","12f"};
StringBuffer sb = new StringBuffer();
for(int i = 0;i<arr.length;i++){
sb.append(arr[i]);
}
String sb1 = sb.toString();
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