add final key word to the constant

This commit is contained in:
hlq07 2018-05-11 04:53:23 +08:00
parent 0bc600ce6e
commit 80282bd931
1 changed files with 1 additions and 1 deletions

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@ -7,7 +7,7 @@ import java.util.HashMap;
import java.util.HashSet;
public class TodoItemManager {
private static String TODO_LIST_SAVE_NAME = "todo-list.json";
private static final String TODO_LIST_SAVE_NAME = "todo-list.json";
private static TodoItemManager ourInstance;