String[] str = {"abc", "bcd", "def"};
StringBuffer sB = new StringBuffer();
for (int i = 0; i < str.length;i++)
{
sB.append(str[i]);
}
String s = sB.toString();
char[] data = {"abc","bcd","def"};
String s = new String(data);
String str = "123abc";
char[] ar = str.toCharArray();
//char数组
for (int i =0;i<ar.length;i++)
{
System.out.println(ar[i]);
//1 2 3 a b c
}
String[] arr = str.split("");
for (int i =0;i<arr.length;i++) //String数组,不过arr[0]为空
{
System.out.println(arr[i]);
//空 1 2 3 a b c
}
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