intent data passing a to b activity

activity one .java page

package com.example.viraj.intent;

import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button button = (Button) findViewById(R.id.gotobutton);
        button.setOnClickListener(new View.OnClickListener() {
            @Override            public void onClick(View view) {
                Intent intent = new Intent(getApplicationContext(), Secondpage.class);
                intent.putExtra("keytosend", "dat kept here to send"); 

                intent.putExtra("value",123);
                startActivity(intent);
            }
        });
    }
}

second activity page

package com.example.viraj.intent;
import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.widget.TextView;
public class Secondpage extends AppCompatActivity {
    private TextView textView;

    @Override    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_secondpage);
        textView = (TextView) findViewById(R.id.text_secondpage);
        Bundle name_bundel = getIntent().getExtras();


if (name_bundel != null) {

//ye string value ke liye he--------------------
            String name_string = name_bundel.getString("keytosend");

//ye integer type ki value ke liye he-------------------
            int intvalue=name_bundel.getInt("value");
           textView.setText("MESSAGE IS"+name_string+"values is "+intvalue);

            
        }
    }
}