Consider the following code statement: public class Person { int age; public Person (int age) {…

Consider the following code statement:

public class Person
{ int age;
    public Person (int age)
    { 
        this.age = age;
    }
}

Which of the following statements are valid for the given code? I. The keyword this in the constructor refers to the current instance of the class. II. The keyword this differentiates between the instance variable age and the parameter age. III. The keyword this can be used only in constructors.