fix ojb -> obj (lingcoder#402)

funnycoding · web-flow · commit 8df287501de6 · 2020-03-13T13:58:23.000+08:00
* 忽路-&gt;忽略

* 修复跳转链接错误

* fix Class.getInterface() -&gt; Class.getInterfaces()

* 否者 -&gt; 否则

* 编译期 -&gt; 编译器 ，原文"the compiler will only allow you to say that the superclass reference is “some class that is a superclass of FancyToy” a"

* ierator -&gt; iterator

* nextint -&gt; nextInt

* fix 这句翻译第一反应没太看懂，结合原文和下面的例子优化了一下翻译

* fix ojb -&gt; obj
diff --git a/docs/book/20-Generics.md b/docs/book/20-Generics.md
@@ -1409,7 +1409,7 @@ class Manipulator3 {
     private HasF obj;
     
     Manipulator3(HasF x) {
-        ojb = x;
+        obj = x;
     }
     
     public void manipulate() {

Original file line number	Diff line number	Diff line change
`@@ -1409,7 +1409,7 @@ class Manipulator3 {`
`1409`	`1409`	`private HasF obj;`
`1410`	`1410`
`1411`	`1411`	`Manipulator3(HasF x) {`
`1412`		`- ojb = x;`
	`1412`	`+ obj = x;`
`1413`	`1413`	`}`
`1414`	`1414`
`1415`	`1415`	`public void manipulate() {`