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

Button button3=findViewById(R.id.division);

String text1 = "19";

String text2 = "23";


button.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

String text1 = editText.getText().toString();

String text2 = editText1.getText().toString();

if (text1.isEmpty()) {

Toast.makeText(MainActivity.this, "Input first number", Toast.LENGTH_SHORT).show();

return;

}

if (text2.isEmpty()) {

Toast.makeText(MainActivity.this, "input second number", Toast.LENGTH_SHORT).show();

return;

}
int number1 = Integer.parseInt(text1);

int number2 = Integer.parseInt(text2);

int result = number1 + number2;

TextView Result = findViewById(R.id.result);

Result.setText(String.valueOf(result));
}

});
button1.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

String text1 = editText.getText().toString();

String text2 = editText1.getText().toString();

if (text1.isEmpty()) {

Toast.makeText(MainActivity.this, "Input first number", Toast.LENGTH_SHORT).show();

return;

}

if (text2.isEmpty()) {

Toast.makeText(MainActivity.this, "input second number", Toast.LENGTH_SHORT).show();

return;

}
int number1 = Integer.parseInt(text1);

int number2 = Integer.parseInt(text2);

int result = number1 - number2;

TextView Result = findViewById(R.id.result);

Result.setText(String.valueOf(result));


}

});
button2.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

String text1 = editText.getText().toString();

String text2 = editText1.getText().toString();

if (text1.isEmpty()) {

Toast.makeText(MainActivity.this, "Input first number", Toast.LENGTH_SHORT).show();

return;

}

if (text2.isEmpty()) {

Toast.makeText(MainActivity.this, "input second number", Toast.LENGTH_SHORT).show();

return;

}
int number1 = Integer.parseInt(text1);

int number2 = Integer.parseInt(text2);

int result = number1 * number2;

TextView Result = findViewById(R.id.result);

Result.setText(String.valueOf(result));


}

});
button3.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

String text1 = editText.getText().toString();

String text2 = editText1.getText().toString();

if (text1.isEmpty()) {

Toast.makeText(MainActivity.this, "Input first number", Toast.LENGTH_SHORT).show();

return;

}
Amirdin, [30.05.21 12:53]

if (text2.isEmpty()) {

Toast.makeText(MainActivity.this, "input second number", Toast.LENGTH_SHORT).show();

return;

}
int number1 = Integer.parseInt(text1);

int number2 = Integer.parseInt(text2);

int result = number1 / number2;

TextView Result = findViewById(R.id.result);

Result.setText(String.valueOf(result));


}

});
}

}

Dasturimizning tayyor ko’rinishi.