Code for Polymorphism

SaketJNU · SaketJNU · commit db2221bc05da · 2023-04-18T14:05:20.000+05:30
diff --git a/module4/PolymorphismProgram.java b/module4/PolymorphismProgram.java
@@ -0,0 +1,83 @@
+//Program to design a vehicle class hierarchy in Java, and develop a program to demonstrate Polymorphism.
+class Vehicle
+{
+	String regno;
+	int model;
+	Vehicle(String r, int m)
+	{
+		regno	=	r;
+		model	=	m;
+	}
+
+	void display()
+	{
+		System.out.print("\nRegistration no: "+regno);
+		System.out.print("\nModel no: "+model);
+	}
+}
+
+class Twowheeler extends Vehicle
+{
+	int noofwheels;
+	Twowheeler(String r, int m, int n)
+	{
+		super(r,m);
+		noofwheels = n;
+	}
+
+	void display()
+	{
+		System.out.print("\nTwo wheeler tvs");
+		super.display();
+		System.out.print("\nNo. of wheels: " + noofwheels);
+	}
+}
+
+class Threewheeler extends Vehicle
+{
+	int noofwheels;
+
+	Threewheeler(String r,int m,int n)
+	{
+		super(r,m);
+		noofwheels = n;
+	}
+
+	void display()
+	{
+		System.out.print("\nThree wheeler auto");
+		super.display();
+		System.out.print("\nNo. of wheels: " +noofwheels);
+	}
+}
+
+class Fourwheeler extends Vehicle
+{
+	int noofwheels;
+	
+	Fourwheeler(String r,int m,int n)
+	{
+		super(r,m);
+		noofwheels=n;
+	}
+
+	void display()
+	{
+		System.out.print("\nFour wheeler car");
+		super.display();
+		System.out.print("\nNo. of wheels: " + noofwheels);
+	}
+}
+
+class PolymorphismProgram
+{
+	public static void main(String arg[])
+	{
+		Twowheeler t1 = new Twowheeler("KA74 12345", 1,2);
+		Threewheeler th1 = new Threewheeler("KA74 54321", 4,3);
+		Fourwheeler f1 = new Fourwheeler("KA34 45677",5,4);
+		t1.display();
+		th1.display();
+		f1.display();
+	}
+}
