Java数组问题

Java数组问题
Java数组问题

Java数组问题
public static void main(String[] args) {
// a、c、u、b、e、p、f、z
String[] arr = new String[]{"a","c","u","b","e","p","f","z"};
System.out.println(Arrays.toString(arr));
Arrays.sort(arr);
System.out.println(Arrays.toString(arr));
String[] arr2 = new String[9];
System.arraycopy(arr, 0, arr2, 0, 6);
arr2[6] = "m";
System.arraycopy(arr,6, arr2, 7, 2);
System.out.println(Arrays.toString(arr2));
}