TIPOS DE ESTRUCTURAS Y CICLO EJERCICIO 2

 

package com.example.sumaciclos;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    public int suma, ct, ct2;
    public String res;
    TextView tvfor, tvwh, tvdowh;
    EditText edt1, edt2, edt3, edt4, edt5, edt6, edt7, edt8, edt9;
    ImageButton btnsalir;
    int[][] mat = new int[3][3];

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        btnsalir = (ImageButton) findViewById(R.id.btnsalir);
        tvfor = (TextView) findViewById(R.id.tvfor);
        tvwh = (TextView) findViewById(R.id.tvwh);
        tvdowh = (TextView) findViewById(R.id.tvdowh);
        edt1 = (EditText) findViewById(R.id.edt1);
        edt2 = (EditText) findViewById(R.id.edt2);
        edt3 = (EditText) findViewById(R.id.edt3);
        edt4 = (EditText) findViewById(R.id.edt4);
        edt5 = (EditText) findViewById(R.id.edt5);
        edt6 = (EditText) findViewById(R.id.edt6);
        edt7 = (EditText) findViewById(R.id.edt7);
        edt8 = (EditText) findViewById(R.id.edt8);
        edt9 = (EditText) findViewById(R.id.edt9);

    }


    public void ciclofor(View view) {
        suma = 0;
        mat[0][0] = Integer.parseInt(edt1.getText().toString());
        mat[0][1] = Integer.parseInt(edt2.getText().toString());
        mat[0][2] = Integer.parseInt(edt3.getText().toString());
        mat[1][0] = Integer.parseInt(edt4.getText().toString());
        mat[1][1] = Integer.parseInt(edt5.getText().toString());
        mat[1][2] = Integer.parseInt(edt6.getText().toString());
        mat[2][0] = Integer.parseInt(edt7.getText().toString());
        mat[2][1] = Integer.parseInt(edt8.getText().toString());
        mat[2][2] = Integer.parseInt(edt9.getText().toString());

        for (int i = 0; i < mat.length; i++) {
            for (int j = 0; j < 3; j++) {
                suma = suma + mat[i][j];
            }
        }
        res = String.valueOf(suma);
        tvfor.setText(res);
    }


    public void ciclowhile(View view) {
        suma = 1;
        ct = 0;
        ct2 = 0;
        mat[0][0] = Integer.parseInt(edt1.getText().toString());
        mat[0][1] = Integer.parseInt(edt2.getText().toString());
        mat[0][2] = Integer.parseInt(edt3.getText().toString());
        mat[1][0] = Integer.parseInt(edt4.getText().toString());
        mat[1][1] = Integer.parseInt(edt5.getText().toString());
        mat[1][2] = Integer.parseInt(edt6.getText().toString());
        mat[2][0] = Integer.parseInt(edt7.getText().toString());
        mat[2][1] = Integer.parseInt(edt8.getText().toString());
        mat[2][2] = Integer.parseInt(edt9.getText().toString());

        while (ct2 < 3) {
            while (ct < 3) {
                suma = suma * mat[ct][ct2];
                ct++;
            }
            ct = 0;
            ct2++;
        }
        res = String.valueOf(suma);
        tvwh.setText(res);

    }

    public void ciclodowhile(View view) {
        suma = 0;
        ct = 0;
        do {
            suma = suma + mat[0][ct];
            ct++;

        } while (ct < 3);

        res = String.valueOf(suma);
        tvdowh.setText(res);

    }

    public void salir(View view) {
        if (btnsalir.isClickable() == true) {
            finish();
        }
    }
}