The statement that is used to replace multiple if statements is

The following code will generate a compiler error.

string GetAgePhrase(int age) {
    if (age > 60) return "Senior";
    if (age > 40) return "Middle-aged";
    if (age > 20) return "Adult";
    if (age > 12) return "Teen-aged";
    if (age > 4) return "Toddler";
}

Which of the following statements, inserted as the last line of the function, would solve the problem?

what is the default access specifier for a Top-level Class, which are not nested into other Classes?

Which statement is true about interface and abstract classes?

The default type of enum is integer and has a default value 1.

Unboxing of a null refrence type will return null.

Difference between const and readonly

A variable declared inside a method is called

In programming languages, which language's version name is also known as "Scorpio" ?

Which of the following declaration will compile without errors?
a)

public abstract class Digit {
    public abstract void print();
}

b)

public class Digit {
    public abstract void print();
}

c)

public abstract class Digit {
    public abstract void print(){};
}

d)

public abstract class Digit {
    public void print();
}

e)

public class Digit {
    public void print(){};
}

What are the rules to implement an interface? Considering the following declaration for interface Convertable, which of the following code segments will compile?

public interface Convertable {
    int convertToInt();
    char convertToChar();
}

a)

class Digit implements Convertable {
    public char convertToChar() {
        return 0;
    }
    public int convertToInt() {
        return 0;
    }
}

b)

 abstract class Digit implements Convertable {
     int convertToInt();
     char convertToChar();
 }

c)

abstract class Digit implements Convertable {
    public int convertToInt() {
        return 0;
    }
}

d)

abstract class Digit implements Convertable {
    public int convertToInt() {
        return 0;
    }
    char convertToChar();
}

e)

  class Digit implements Convertable {
    int convertToInt() {
        return 0;
        return 0;
    }
}

f)

interface Roundable extends Convertable {
    int roundUp();
}

Is the following declaration for interface Bendable correct and free of compilation error?

abstract interface Bendable { // line 1   

    final int x = 2009; // line 3    
    
    void method1() {}; // line 5 
}

What is the result of compiling and running the following code?

public class Tester {
    public static void main(String[] args) {
        System.out.print("1");
        try {
            return;
        } catch (Exception e) {
            System.out.print("2");
        } finally {
            System.out.print("3");
        }
        System.out.print("4");
    }
}