Which of the following is a recursive method?
A) public static int length(String str) {
if (str == null || str.equals(""))
return 0:
else
return 1 + length(str.substring(1));
}
B) public static int length(Strin str) {
if (str == null || str.equals(""))
return 0:
else
return 1;
}
C) public static int length(Strin str) {
if (str == null || str.equals(""))
return 0:
else
return 1 + len(str.substring(1));
}
D) public static int length(String str) {
if (str == null || str.equals(""))
return 0:
}

Question

Which of the following is a recursive method?
A) public static int length(String str) {
 if (str == null || str.equals(""))
 return 0:
 else
 return 1 + length(str.substring(1));
 }
B) public static int length(Strin str) {
 if (str == null || str.equals(""))
 return 0:
 else
 return 1;
 }
C) public static int length(Strin str) {
 if (str == null || str.equals(""))
 return 0:
 else
 return 1 + len(str.substring(1));
 }
D) public static int length(String str) {
 if (str == null || str.equals(""))
 return 0:
 }

Quizplus · Accepted Answer

Option A is a recursive method because it calls itself within its method body to compute the length of a string by repeatedly removing the first character and counting the remaining string length.

Which of the Following Is a Recursive Method