Merge pull request Snailclimb#782 from Fuge2015/master

Snailclimb · web-flow · commit 12fd03e771cb · 2020-05-18T09:44:32.000+08:00
fix a bug: compareTo implement.
diff --git a/docs/java/collection/Java集合框架常见面试题.md b/docs/java/collection/Java集合框架常见面试题.md
@@ -384,10 +384,11 @@ public  class Person implements Comparable<Person> {
         // TODO Auto-generated method stub
         if (this.age > o.getAge()) {
             return 1;
-        } else if (this.age < o.getAge()) {
+        }
+        if (this.age < o.getAge()) {
             return -1;
         }
-        return age;
+        return 0;
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -384,10 +384,11 @@ public class Person implements Comparable<Person> {`
`384`	`384`	`// TODO Auto-generated method stub`
`385`	`385`	`if (this.age > o.getAge()) {`
`386`	`386`	`return 1;`
`387`		`- } else if (this.age < o.getAge()) {`
	`387`	`+ }`
	`388`	`+ if (this.age < o.getAge()) {`
`388`	`389`	`return -1;`
`389`	`390`	`}`
`390`		`- return age;`
	`391`	`+ return 0;`
`391`	`392`	`}`
`392`	`393`	`}`
`393`	`394`