How to go second activity from first activity on button click

Button click on MainActivity to go to SecondActivity
Go to MainActivity and write code 

@Override
   public void onClick(View view) {
       Intent myintent = new Intent(MainActivity.this, SecondActivity.class);
       startActivity(myintent);
   }

And Button click on SecondActivity to go to ThirdActivity

@Override
   public void onClick(View view) {
       Intent myintent = new Intent(SecondActivity.this, ThirdActivity.class);
       startActivity(myintent);
   }