2-Laboratoriya ishi Mavzu: Java tilida obyektga yo’naltirilgan dasturlash tamoyillari

Amirdin, [30.05.21 12:53]

import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

EditText editText=findViewById(R.id.firstNumber);

EditText editText1=findViewById(R.id.secondNumber);
Button button=findViewById(R.id.plus);

Button button1=findViewById(R.id.minus);

Button button2=findViewById(R.id.multiplys);