JAVA complate Project

public class MainActivity extends AppCompatActivity { TextView textview ; Button button ; EditText edittext ; @Override protected void onCreate ( Bundle savedInstanceState ) { super .onCreate( savedInstanceState ) ; setContentView( R . layout . activity_main ) ; textview = findViewById( R . id . textview ) ; button = findViewById( R . id . button ) ; edittext = findViewById( R . id . edittext ) ; button .setOnClickListener( new View . OnClickListener () { @Override public void onClick ( View v ) { int i = 1 ; do { textview .append(+ i + " Bangladesh \n " ) ; i ++ ; } while ( i <= 5 ) ; int x = 1 ; do { textview .append(+ x + " \n " ) ; x = x + 2 ; } while ( x <= 10 ) ; } }) ; } }  

public class MainActivity extends AppCompatActivity { TextView textview ; Button button ; EditText edittext ; @Override protected void onCreate ( Bundle savedInstanceState ) { super .onCreate( savedInstanceState ) ; setContentView( R . layout . activity_main ) ; textview = findViewById( R . id . textview ) ; button = findViewById( R . id . button ) ; edittext = findViewById( R . id . edittext ) ; button .setOnClickListener( new View . OnClickListener () { @Override public void onClick ( View v ) { int i = 0 ; while ( i <= 5 ){ i ++ ; textview .append( i + " Bangladesh \n " ) ; } int x = 2 ; while ( x <= 11 ){ x = x + 2 ; textview .append( x + " \n " ) ; } } }) ; } }

public class MainActivity extends AppCompatActivity { TextView textview ; Button button ; EditText edittext ; @Override protected void onCreate ( Bundle savedInstanceState ) { super .onCreate( savedInstanceState ) ; setContentView( R . layout . activity_main ) ; textview = findViewById( R . id . textview ) ; button = findViewById( R . id . button ) ; edittext = findViewById( R . id . edittext ) ; button .setOnClickListener( new View . OnClickListener () { @Override public void onClick ( View v ) { for ( int i = 1 ; i <= 5 ; i ++){ textview .append(+ i + " bangladesh \n " ) ; } for ( int x = 2 ; x < 10 ; x = x + 2 ){ textview .append( " \n " + x ) ; } } }) ; } }   // for decremnet for ( int i = 10 ; i >= 1 ; i --){ textview .appe...

public class MainActivity extends AppCompatActivity { TextView textview ; Button button ; EditText edittext ; @Override protected void onCreate ( Bundle savedInstanceState ) { super .onCreate( savedInstanceState ) ; setContentView( R . layout . activity_main ) ; textview = findViewById( R . id . textview ) ; button = findViewById( R . id . button ) ; edittext = findViewById( R . id . edittext ) ; button .setOnClickListener( new View . OnClickListener () { @Override public void onClick ( View v ) { String ed = edittext .getText().toString() ; int inpute = Integer . parseInt ( ed ) ; int i = inpute ; switch ( i ){ case 0 : textview .append( "zero" ) ; break ; case 1 : textview .append( "one" ) ; ...

public class MainActivity extends AppCompatActivity { TextView textview ; Button button ; EditText edittext ; @Override protected void onCreate ( Bundle savedInstanceState ) { super .onCreate( savedInstanceState ) ; setContentView( R . layout . activity_main ) ; textview = findViewById( R . id . textview ) ; button = findViewById( R . id . button ) ; edittext = findViewById( R . id . edittext ) ; button .setOnClickListener( new View . OnClickListener () { @Override public void onClick ( View v ) { String ed = edittext .getText().toString() ; int input = Integer . parseInt ( ed ) ; int j = input ; if ( j % 2 == 0 ){ textview .append( "Even = " + j + " \n " ) ; } else { textview .append( "odd = " + j ) ; } } }) ; } }   

public class MainActivity extends AppCompatActivity { TextView textview ; Button button ; EditText edittext ; @Override protected void onCreate ( Bundle savedInstanceState ) { super .onCreate( savedInstanceState ) ; setContentView( R . layout . activity_main ) ; textview = findViewById( R . id . textview ) ; button = findViewById( R . id . button ) ; edittext = findViewById( R . id . edittext ) ; button .setOnClickListener( new View . OnClickListener () { @Override public void onClick ( View v ) { String ed = edittext .getText().toString() ; int inpute = Integer . parseInt ( ed ) ; /* int num = inpute; if (num >0){ textview.append("possitave = "+num+"\n"); } else{ textview.append("negetive"+num); } */ int num = inp...