Write the code that creates a public class named vehicle that has one private data member. the private data member is an integer variable named modelyear. create two constructors: code a constructor that has no parameters and initializes the modelyear variable to 2018. code a constructor that has one parameter and uses that parameter value to update the modelyear variable.

Following are the program in java

public class Vehicle // class vehicle of type public

{

private int modelYear;

Vehicle() //  no parameters

{

modelYear=2018;

}

vehicle(int t)  // update the value of modelYear

{

modelYear=t;

}

public static void main(String args[]) // main function

{

vehicle ob=new vehicle();// creating instance

vehicle ob1=new vehicle(45);

}

}

Explanation:

Here we create a private data member i.e modelYear of integer type .

We create default constructor and initializes modelYear variable  with 2018.

we create a parametrized constructor  which update the value of modelYear variable.

From the main function we call both the constructors.

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