安全发布原则

public class XXX {  private String[] status = new String[] {"A", "B", ....};    ...  public String[] getStatus() { return status; }}

public class XXX {  private String[] status = new String[] {"A", "B", ....};    ...  public String[] getStatus() {      String[] temp = new String[status.length()];     for(int i=0; i<status.length(); i++) {        temp[i] = new String(arr[i]);     }     return status;   }}