class Sim { private String Serviceprovider; private long Num; public long getNum() { return Num; } public void setServiceprovider() { this.Serviceprovider=Serviceprovider; } Sim() { } Sim (String Serviceprovider, long Num) { this.Serviceprovider=Serviceprovider; this.Num=Num; } void display() { System.out.println("The Mobile Number of The Customer is : "+Num); System.out.println("The Service provider Network is : "+Serviceprovider); } } class Get_Set_Method_Example { public static void main(String[] args) { Sim s = new Sim("JIO", 7903494269l); Sim s1 = new Sim("Airtel", 7903494269l); s.display(); s1.display(); } }