public void onClick(View v) {
            if(thing1 == thing2) {
                Intent intent = new Intent(MainActivity.this, MainActivity2.class);
                intent.putExtra("userName", String.valueOf(Equal));
                startActivity(intent);
            }
            else {
                Intent intent = new Intent(MainActivity.this, MainActivity2.class);
                intent.putExtra("userName", String.valueOf(Not_Equal));
                startActivity(intent);}
        }

if(fooString1.equals(fooString2)){
//equal condition true
}