modify comment

Ch_1_1/Ex_1_1.md

@@ -308,7 +308,7 @@ public class Ex_1_08 {
     // b char 类型 转换为 98， c 转换为99
     System.out.println('b'+'c');
 
-    // e : 'a' char to int , 97, 97+4=111, 111 to char = e
+    // e : 'a' char to int , 97, 97+4=101, 101 to char = e
     System.out.println((char)('a'+4));
   }
 }
@@ -348,4 +348,4 @@ for (int i = 0; i < 10; i++) a[i] = i * i;
 ### 分析：
 
 
-It does not allocate memory for a\[\] with new. This code results in a variable a might not have been initialized compile-time error.
+It does not allocate memory for a\[\] with new. This code results in a variable a might not have been initialized compile-time error.

Ch_1_1/Ex_1_1_08.java

@@ -19,7 +19,7 @@ public static void main(String[] args) {
     // b char 类型 转换为 98， c 转换为99
     System.out.println('b'+'c');
 
-    // e : 'a' char to int , 97, 97+4=111, 111 to char = e
+    // e : 'a' char to int , 97, 97+4=101, 101 to char = e
     System.out.println((char)('a'+4));
   }
 }