Oracle
1Z0-811 · Question #36
1Z0-811 Question #36: Real Exam Question with Answer & Explanation
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Object-Oriented Programming Principles
Question
Given:
class Bus {
String type = "default";
// line n1
Bus (String type) {
// line n2
this.type = type;
}
}
public class App{
public static void main(String[] args) {
Bus b1 = new Bus();
System.out.println(b1.type);
Bus b2 = new Bus("luxury");
System.out.println (b2.type);
}
}
What is the result?
Options
- AThe code fails to compile. To make it compile, at line n1 insert: this() {}
- BThe code fails to compile. To make it compile, at line n2 insert: this();
- CThe code fails to compile. To make it compile, at line n1 insert: Bus() {}
- DThe code compiles and prints: default luxury
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Topics
#constructors#default constructor#constructor overloading#object instantiation