how to make appication in multiple language in android

java class

public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

//getActionBar().hide();
}
}

layout:-

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/bg_gradient"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_centerInParent="true"
        android:layout_marginLeft="15dp"
        android:layout_marginRight="15dp"
        android:gravity="center"
        android:orientation="vertical">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="40dp"
            android:text="@string/welcome"
            android:textColor="@color/white"
            android:textSize="45dp"
            android:textStyle="bold" />

        <LinearLayout
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:background="@drawable/bg_form_rounded"
            android:orientation="vertical" >

            <EditText
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:layout_marginBottom="10dp"
                android:background="@null"
                android:hint="@string/email"
                android:padding="5dp"
                android:singleLine="true"/>

            <EditText
                android:layout_width="fill_parent"
                android:layout_height="wrap_content"
                android:background="@null"
                android:hint="@string/password"
                android:inputType="textPassword"          
                android:padding="5dp" />
        </LinearLayout>

        <Button
            android:layout_width="fill_parent"
            android:layout_height="wrap_content"
            android:layout_marginTop="25dp"
            android:background="@drawable/bg_button_rounded"
            android:text="@string/login"
            android:textColor="@color/white"/>
    </LinearLayout>
   
    <TextView android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/signup"
        android:layout_alignParentBottom="true"
        android:gravity="center_horizontal"
        android:layout_marginBottom="25dp"
        android:textColor="@color/white"/>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<resources>
   
    <string name="welcome">Willkommen!</string>
    <string name="email">Email Addresse</string>
    <string name="password">passowrd</string>
    <string name="login">Login</string>
    <string name="signup">müssen nicht angemeldet? Anmeldung</string>

</resources>

<?xml version="1.0" encoding="utf-8"?>

<resources>

    

    <string name="welcome">accueil</string>

    <string name="email">adresse e-mail</string>

    <string name="password">mot de passe</string>

    <string name="login">connexion</string>

    <string name="signup">Ne pas avoir un compte? signer</string>

</resources>

<?xml version="1.0" encoding="utf-8"?>

<resources>

    

    <string name="welcome">स्वागतम</string>

    <string name="email">ईमेल पता</string>

    <string name="password">पासवर्ड</string>

    <string name="login">लॉगिन</string>

    <string name="signup">खाता नहीं है? साइन अप करें</string>

</resources>

<?xml version="1.0" encoding="utf-8"?>

<resources>

    

    <string name="welcome">歓迎</string>

    <string name="email">電子メールアドレス</string>

    <string name="password">パスワード</string>

    <string name="login">ログイン</string>

    <string name="signup">アカウントをお持ちでない場合は？サインアップ</string>

</resources>

manifest.xml

 <uses-sdk

        android:minSdkVersion="8"

        android:targetSdkVersion="17" />

    <application

        android:allowBackup="true"

        android:icon="@drawable/ic_launcher"

        android:label="@string/app_name"

        android:theme="@style/AppTheme" >

        <activity

            android:name="info.androidhive.multilanguageapp.MainActivity"

            android:label="@string/app_name" 

            android:screenOrientation="portrait">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />

            </intent-filter>

        </activity>

    </application>

</manifest>

Thank you  in advance this is complete multiple language application