What is output when the cartest application is run? why?
public class car {
private string color;
private int numwheels;
public car(string color, int numwheels) {
this. color = color;
this. numwheels = numwheels;
}
public string getcolor() {
return color;
}
public void setcolor(string color) {
this. color = color;
}
public int getnumwheels() {
return numwheels;
}
public void setnumwheels(int numwheels) {
this. numwheels = numwheels;
}
}
public class cartest {
public static void main(string[] argvs) {
cartest cartest = new cartest();
cartest. rundemo();
}
public void rundemo() {
car c = new car("blue", 4);
changecolor(c, "red");
system. out. println(c.;
}
public void changecolor(car car, string newcolor) {
car. setcolor(newcolor);
}
}
what is output when the cartest application is run? why?