Questions

An explicit intent explicitly defines the activity the developer wishes to start. 

Script code :

Intent myIntent = new Intent(this, MyNewActivity.class);

startActivity(myIntent);

An anti-lock braking system (ABS) is a safety anti-skid braking system used on aircraft and on land vehicles , such as cars, motorcycles, trucks and buses.

ABS is only on the front wheels and it can improve your ability and the stability of your car by keeping the front wheels from locking under severe braking it will allow the wheels to continue to roll so the car can stop straight and stop as safe and as soon as possible