diff --git a/javaSE-day05/src/com/inmind/exception05/Fu.java b/javaSE-day05/src/com/inmind/exception05/Fu.java
new file mode 100644
index 0000000..a0d7315
--- /dev/null
+++ b/javaSE-day05/src/com/inmind/exception05/Fu.java
@@ -0,0 +1,13 @@
+package com.inmind.exception05;
+
+public class Fu {
+    public void method1() throws RuntimeException{
+
+    }
+
+    public void method2() {
+
+    }
+
+
+}
diff --git a/javaSE-day05/src/com/inmind/exception05/Zi.java b/javaSE-day05/src/com/inmind/exception05/Zi.java
new file mode 100644
index 0000000..6929f78
--- /dev/null
+++ b/javaSE-day05/src/com/inmind/exception05/Zi.java
@@ -0,0 +1,22 @@
+package com.inmind.exception05;
+/*
+如果父类方法声明出一编译异常，子类重写时如果不调用父类方法，可以不处理
+如果父类方法声明出一编译异常，子类重写时想要声明出异常时，子类方法只能声明出父类的异常或该异常的子类
+父类方法没有声明异常，子类重写父类该方法时也不可声明异常。此时子类中的异常只能try-catch
+第三点事项只适用于编译时异常，如果是运行时异常，不受任何影响
+ */
+public class Zi extends Fu{
+    @Override
+    public void method1() throws NullPointerException {
+
+    }
+
+    @Override
+    public void method2() {
+        try {
+            throw new Exception();
+        } catch (Exception e) {
+
+        }
+    }
+}