how to send data from one activity to another in android

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here we are using MS SQL database

from signinActivity:-

String sql = "SELECT * FROM registration WHERE EmailId = '" + Email.getText() + "' AND pwd = '" + Password.getText() + "' ";
                    Statement stmt = con.createStatement();
                    ResultSet rs = stmt.executeQuery(sql);
                    while(rs.next()) {
                        name =rs.getString("Name");
                        emailid =rs.getString("EmailId");
                        mobileNumber= rs.getString("Mobno");
                        passwrd=rs.getString("pwd");
                        Log.d("chekname",name);
                        Log.d("chekemail",emailid);

                        Log.d("chekmobile",mobileNumber);

                        Log.d("chekp",passwrd);

                        Intent intent = new Intent(SignInActivity.this, detailActivity.class);
                        Bundle bundle = new Bundle();
                        bundle.putString("named",name);
                        bundle.putString("Emaild",emailid);
                        bundle.putString("mobileNumberd",mobileNumber);
                        bundle.putString("pwdd",passwrd);

                        intent.putExtras(bundle);
                    //    intent.putExtra("user",name);
                        startActivity(intent);

To dashboard Activity:

name, email,mobile,password are variable in dashboard activity

named,Emaild,mobileNumberd,pwdd are string as a key sent via intent from sign in activity you can see click here

Paste below code in onCreate method

Bundle bundle = getIntent().getExtras();
if (bundle != null) {
    String value = bundle.getString("named");
    String named = bundle.getString("named","name");
    String Emaild = bundle.getString("Emaild","email");
    String mobileNumberd = bundle.getString("mobileNumberd","mobile");
    String pwdd = bundle.getString("pwdd","password");
    name.setText(named);
    email.setText(Emaild);
    mobile.setText(mobileNumberd);
    password.setText(pwdd);
}

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