Need help with the logic for storing the score of a quiz game into a database so that I can put that score up on another activity for user to see. This must be done in Java, on Android Studio. Below is the backend code for the quiz game app where you get the score:

/////////////////////////////////////////////////Backend Code/////////////////////////////////////////////////////

package com.example.braintrainer; import android.app.Activity; import android.content.Intent; import android.graphics.Color; import android.os.Bundle; import android.os.CountDownTimer; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.widget.Button; import android.widget.RelativeLayout; import android.widget.TextView; import java.util.ArrayList; import java.util.Random; import android.view.View.OnClickListener; import androidx.appcompat.app.AppCompatActivity; public class MainActivity extends AppCompatActivity { Button firstButton; Button btn0; Button btn1; Button btn2; Button btn3; Button btn4; TextView sumTextView; TextView timerTextView; Button TryAgainButton; RelativeLayout gameRelativeLayout; TextView resultTextView; ArrayList answers = new ArrayList(); int locationOfCorrectAnswer; TextView pointsTextView; int score = 0; int numberOfQuestions = 0; //   public void TryAgain(View view) { score = 0; numberOfQuestions = 0; timerTextView.setText("25s"); pointsTextView.setText("0/0"); resultTextView.setText(""); TryAgainButton.setVisibility(View.INVISIBLE); createQuestion(); new CountDownTimer(25000, 1000) { // Timer   @Override public void onTick(long millisUntilFinished) { timerTextView.setText(String.valueOf(millisUntilFinished / 1000) + "s"); } @Override public void onFinish() { TryAgainButton.setVisibility(View.VISIBLE); timerTextView.setText("0s"); resultTextView.setText("Total score: " + Integer.toString(score) + "/" + Integer.toString(numberOfQuestions)); } }.start(); } public void createQuestion() { Random rand = new Random(); int a = rand.nextInt(31); int b = rand.nextInt(31); sumTextView.setText(Integer.toString(a) + " + " + Integer.toString(b)); locationOfCorrectAnswer = rand.nextInt(4); answers.clear(); int incorrectAnswer; for (int i=0; i<4; i++) { if (i == locationOfCorrectAnswer) { answers.add(a + b); } else { incorrectAnswer = rand.nextInt(43); while (incorrectAnswer == a + b) { incorrectAnswer = rand.nextInt(43); } answers.add(incorrectAnswer); } } btn0.setText(Integer.toString(answers.get(0))); btn1.setText(Integer.toString(answers.get(1))); btn2.setText(Integer.toString(answers.get(2))); btn3.setText(Integer.toString(answers.get(3))); } public void SelectAnswer(View v) { if (v.getTag().toString().equals(Integer.toString(locationOfCorrectAnswer))) { score++; resultTextView.setText("Correct Answer!"); resultTextView.setTextColor(Color.GRAY); } else { resultTextView.setText("Wrong Answer!"); resultTextView.setTextColor(Color.GRAY); } numberOfQuestions++; pointsTextView.setText(Integer.toString(score) + "/" + Integer.toString(numberOfQuestions)); createQuestion(); } public void start(View v) { firstButton.setVisibility(View.INVISIBLE); gameRelativeLayout.setVisibility(RelativeLayout.VISIBLE); TryAgain(findViewById(R.id.playAgainButton)); } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); firstButton = (Button)findViewById(R.id.startButton); sumTextView = (TextView)findViewById(R.id.sumTextView); btn0 = (Button)findViewById(R.id.button0); btn1 = (Button)findViewById(R.id.button1); btn2 = (Button)findViewById(R.id.button2); btn3 = (Button)findViewById(R.id.button3); btn4 = (Button)findViewById(R.id.button4); resultTextView = (TextView)findViewById(R.id.resultTextView); pointsTextView = (TextView)findViewById(R.id.pointsTextView); timerTextView = (TextView)findViewById(R.id.timerTextView); TryAgainButton = (Button)findViewById(R.id.playAgainButton); gameRelativeLayout = (RelativeLayout)findViewById(R.id.gameRelativeLayout); btn4.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { finish(); System.exit(0); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.menu, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { int id = item.getItemId(); if (id == R.id.action_bar_activity_content) { return true; }else  if (id == R.id.ten) { Intent intent = new Intent(MainActivity.this, MainActivity3.class); startActivity(intent); return true; }else  if (id == R.id.fifteen) { Intent intent = new Intent(MainActivity.this, MainActivity4.class); startActivity(intent); return true; }else  if (id == R.id.twenty) { Intent intent = new Intent(MainActivity.this, MainActivity5.class); startActivity(intent); return true; }else  if (id == R.id.scores) { return true; } return super.onOptionsItemSelected(item); } }