Finalize Method – OCPJP 6

2) What will be the output of the following program?

package finalize;
public class Ques01 {
	public static void main(String[] args) {
		MyClass object = new MyClass();
		object = null;
	}
}
class MyClass {
	void finalize(){
		System.out.println("finalize");
		super.finalize();
	}
}

1. The program will output ‘finalize’.
2. It is unsure that the finalize() method will be called by the Garbage Collector.
3. As soon the object reference ‘object’ is set to null, there is a possibility that the method ‘finalize()’ will be called.
4. The program will cause compile-time errors.

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Answer

2) d.

The program will cause compile-time errors and the method finalize() is declared with scope ‘protected’ in the base class and it is impossible to reduce the visibility in the derived class.