I can not understand how can there be''(v2.getColor)printing green output.

Question

public class Vehicle {
private String color;

Vehicle() {
this.setColor("Red");
}
Vehicle(String c) {
this.setColor(c);
}

// Setter
public void setColor(String c) {
this.color = c;
}

// Getter
public String getColor() {
return color;
}
}

public class Program {
public static void main(String[] args) {
//color will be "Red"
Vehicle v1 = new Vehicle();

//color will be "Green"
Vehicle v2 = new Vehicle("Green");

System.out.println(v2.getColor());
}
}

Answer 1

the 'c' parameter is set to green when calling the vehicle method.
Remember, Vehicle(String c){...} overrides the Vehicle(){...} method. Hope this helps?