public class ArrayTest {
public static void main(String[] args) {
String[] ss = { "a1", "b2", "c3", "d4" };
StringBuilder sb = new StringBuilder();
for (int i = 0; i < ss.length; i++) {// 输出数组
System.out.println(ss[i]);
sb.append(ss[i] + ",");
}
System.out.println("***************数组转为字符串**********************");
String str = sb.toString();
System.out.println(str);
String ss2[] = str.split(",");
System.out.println("****************字符串转为数组*********************");
for (int i = 0; i < ss2.length; i++) {
System.out.println(ss2[i]);
}
}
}