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.

the answer to your question would be something called hertz. the unit of measurement called a hertz, which is one cycle per second, is used to measure clock speed. within one cycle, your computer processes, refreshes, or updates itself to the changes that it is going through. in the case of computer clock speed, one hertz equals one tick per second. the clock speed of computers is usually measured in megahertz (mhz) or gigahertz (ghz)

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