20210927

qith · qith · commit 2d70342f3e12 · 2021-09-27T22:21:53.000+08:00
diff --git a/interfaces/music5/Music5.java b/interfaces/music5/Music5.java
@@ -18,6 +18,7 @@ default void adjust() {
 }
 
 class Wind implements Instrument {
+  // toString() 是根基类 Object 的方法，所以它不需要出现在接口中。
   @Override public String toString() {
     return "Wind";
   }

Original file line number	Diff line number	Diff line change
`@@ -18,6 +18,7 @@ default void adjust() {`
`18`	`18`	`}`
`19`	`19`
`20`	`20`	`class Wind implements Instrument {`
	`21`	`+ // toString() 是根基类 Object 的方法，所以它不需要出现在接口中。`
`21`	`22`	`@Override public String toString() {`
`22`	`23`	`return "Wind";`
`23`	`24`	`}`