diff --git a/.idea/misc.xml b/.idea/misc.xml
index b0c7b20..e0d5b93 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -29,7 +29,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index da5ba7e..f3a8e5e 100755
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -27,7 +27,7 @@
             android:layout_height="wrap_content"
             android:layout_weight="4"
             android:ems="10"
-            android:hint="wa"
+            android:hint="@string/surname"
             android:inputType="textPersonName"
             android:singleLine="true" />
 
@@ -53,7 +53,7 @@
             android:layout_height="wrap_content"
             android:layout_weight="4"
             android:ems="10"
-            android:hint="wa"
+            android:hint="@string/firstname"
             android:inputType="textPersonName"
             android:singleLine="true" />
 
@@ -90,7 +90,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:onClick="onclick"
-        android:text="wa" />
+        android:text="@string/ok" />
 
     <TextView
         android:id="@+id/txv"
diff --git a/app/src/main/res/values-en-rUS/strings.xml b/app/src/main/res/values-en-rUS/strings.xml
index 0d2c4cc..a7f2e04 100644
--- a/app/src/main/res/values-en-rUS/strings.xml
+++ b/app/src/main/res/values-en-rUS/strings.xml
@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-
+    <string name="app_name">Ch03_Beautify2</string>
+    <string name="surname">Please enter your surname.</string>
+    <string name="firstname">Please enter your firstname.</string>
+    <string name="ok">OK</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-ja-rJP/strings.xml b/app/src/main/res/values-ja-rJP/strings.xml
index 0d2c4cc..323a1f5 100644
--- a/app/src/main/res/values-ja-rJP/strings.xml
+++ b/app/src/main/res/values-ja-rJP/strings.xml
@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-
+    <string name="app_name">Ch03_Beautify2</string>
+    <string name="surname">姓を入力してください</string>
+    <string name="firstname">名前を入力してください</string>
+    <string name="ok">決定する</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 0d2c4cc..6c2e46f 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-
+    <string name="app_name">Ch03_Beautify2</string>
+    <string name="surname">請輸入姓氏</string>
+    <string name="firstname">請輸入名稱</string>
+    <string name="ok">確定</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index c1fd021..f9e3d69 100755
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,4 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string name="app_name">Ch03_Beautify2</string>
+    <string name="surname">Please enter your surname.</string>
+    <string name="firstname">Please enter your firstname.</string>
+    <string name="ok">OK</string>
 </resources>
\ No newline at end of file