diff --git a/app/src/main/java/com/example/cosmosclient/views/ForgotPasswordActivity.java b/app/src/main/java/com/example/cosmosclient/views/ForgotPasswordActivity.java
index 21eeb66..c407bd5 100644
--- a/app/src/main/java/com/example/cosmosclient/views/ForgotPasswordActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/ForgotPasswordActivity.java
@@ -16,14 +16,17 @@
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_forgot_password);
 
-        EditText EmailAddressText = findViewById(R.id.EMailAddressText);
+        final EditText EmailAddressText = findViewById(R.id.EMailAddressText);
         Button SendButton = findViewById(R.id.SendButton);
 
         SendButton.setOnClickListener(new View.OnClickListener(){
             @Override
             public void onClick(View v){
+                String MailAddress = EmailAddressText.getText().toString();
+
                 //メールアドレスをサーバに送信する処理の予定
-                Toast.makeText(ForgotPasswordActivity.this, "入力されたアドレスにメールを送信しました", Toast.LENGTH_SHORT).show();
+                Toast.makeText(ForgotPasswordActivity.this,
+                        "入力されたアドレスにメールを送信しました", Toast.LENGTH_SHORT).show();
                 finish();
             }
         });
diff --git a/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java b/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
index 5e011e5..3c0257d 100644
--- a/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/SigninActivity.java
@@ -20,7 +20,7 @@
         Button SigninButton = findViewById(R.id.SigninButton);
         Button SignupButton = findViewById(R.id.SignupButton);
         final EditText EmailAddressText = findViewById(R.id.EMailAddressText);
-        EditText PasswordText = findViewById(R.id.PasswordText);
+        final EditText PasswordText = findViewById(R.id.PasswordText);
         Button ForgotPasswordButton = findViewById(R.id.ForgotPasswordButton);
 
         //Sign inボタンの処理
diff --git a/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java b/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
index 0e78ee8..4216f00 100644
--- a/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/SignupActivity.java
@@ -19,17 +19,15 @@
         //各種idを取得
         Button LoginButton = findViewById(R.id.LoginButton);
         Button MakeAccountButton = findViewById(R.id.MakeAccountButton);
-        EditText EmailAddressText = findViewById(R.id.EMailAddressText);
-        EditText PasswordText = findViewById(R.id.PasswordText);
-        EditText ConfirmPasswordText = findViewById(R.id.ConfirmPasswordText);
+        final EditText EmailAddressText = findViewById(R.id.EMailAddressText);
+        final EditText PasswordText = findViewById(R.id.PasswordText);
+        final EditText ConfirmPasswordText = findViewById(R.id.ConfirmPasswordText);
 
         //Make Accountボタンの処理
         MakeAccountButton.setOnClickListener(new View.OnClickListener(){
             @Override
             public void onClick(View v){
                 Intent intent = new Intent(getApplication(), GroupList.class);
-
-                
                 startActivity(intent);
                 finish();
             }