Student.equals练习

Consini · Sep 10, 2019 · db46883 · db46883
1 parent 3058139
commit db46883
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/09-10/src/Student.java b/09-10/src/Student.java
@@ -0,0 +1,24 @@
+/**
+ * @ClassName Student
+ * @Author: K
+ * @create: 2019/9/10-20:38
+ **/
+public class Student {
+        String sn;//学号
+        String name;
+        int age;
+        int gender;
+
+    @Override
+    public boolean equals(Object o){
+        //如果o为null或者o与Card不是一个类型，直接返回false
+        if(null == o || !(o instanceof Card)){
+            return false;
+        }
+        //如果o与this指向同一块区域返回true
+        if(this == o){
+            return true;
+        }
+        return sn.equals(((Student) o).sn);
+    }
+}