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IDQuestionCodeType
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1Which one of these is a proper definition of a class Car that cannot be sub-classed?
single
3
2What will the program print when compiled and run?// Consider the following interface definition:
interface Bozo{
int type = 0;
public void jump();
}


// Now consider the following class:

public class Type1Bozo implements Bozo{
public Type1Bozo(){
type = 1;
}

public void jump(){
System.out.println("jumping..."+type);
}

public static void main(String[] args){
Bozo b = new Type1Bozo();
b.jump();
}
}		single
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3Given the following classes, what will be the output of compiling and running the class Truck?class Automobile{
public void drive() { System.out.println("Automobile: drive"); }
}

public class Truck extends Automobile{
public void drive() { System.out.println("Truck: drive"); }
public static void main (String args [ ]){
Automobile a = new Automobile();
Truck t = new Truck();
a.drive(); //1
t.drive(); //2
a = t; //3
a.drive(); //4
}
}		single
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