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1Z0-809 · Question #143

1Z0-809 Question #143: Real Exam Question with Answer & Explanation

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Question

Given:
class Vehicle {
 String type;
 int maxSpeed = 100;
 Vehicle(String type, int maxSpeed) {
 this.type = type;
 this.maxSpeed = maxSpeed;
 }
}
class Car extends Vehicle {
 String trans;
 Car(String trans) { //line n1
 this.trans = trans;
 }
 Car(String type, int maxSpeed, String trans) { //line n2
 super(type, maxSpeed);
 this(trans);
 }
}
And given the code fragment:
7. Car c1 = new Car("Auto");
8. System.out.println(c1.type + " " + c1.maxSpeed + " " + c1.trans);
9. Car c2 = new Car("Manual", 150, "Manual");
10. System.out.println(c2.type + " " + c2.maxSpeed + " " + c2.trans);
What is the output?

Options

  • Anull 0 Auto
  • B4W 150 Manual
  • CCompilation fails at both line n1 and line n2.
  • DCompilation fails only at line n1.
  • ECompilation fails only at line n2.

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