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Question

What is the output of the below Java program with Recursion?
public class RecursionTest3
{
  public static void main(String[] args)
  {
    RecursionTest3 rt3 = new RecursionTest3();
    int multiplication = rt3.multiplier(4);
    System.out.println(multiplication);
  }
 
  int multiplier(int in)
  {
    System.out.println("IN " + in);

    int mul = 0;

    if(in ==0)
    return 1;

    mul= in * multiplier(--in); 
    return mul;
  }
}

a.

24

b.

6

c.

0

d.

Infinite loop

Posted under Java Programming

Answer: (a).24

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Q. What is the output of the below Java program with Recursion?
Aubrey : June 26, 2023

What is the output of the below Java program with Recursion?
public class RecursionTest3
{
public static void main(String[] args)
{
RecursionTest3 rt3 = new RecursionTest3();
int multiplication = rt3.multiplier(4);
System.out.println(multiplication);
}

int multiplier(int in)
{
System.out.println("IN " + in);
int mul = 0;
if(in ==0)
return 1;
mul= in * multiplier(--in);
return mul;
}
}

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