ํ๋ฉด ๊ฐ๋ฐํ๊ธฐ ๋ก์ง ๊ฐ๋ฐํ๊ธฐ package com.~.catage;import android.widget.Button;import android.widget.EditText;import android.widget.TextView;import com.google.android.material.snackbar.Snackbar;import java.util.Calendar;public class MainActivity extends AppCompatActivity { // ๋งค๊ฐ๋ณ์ ์ ๋ ฅํ๊ธฐ Button btnCal; EditText editYear; TextView txtAge; @Override protected void onCreate(Bundle savedInstan..
