Home / Questions / State the purpose and return data type of the following String functions:
Explanatory Question

State the purpose and return data type of the following String functions:

👁 82 Views
📘 Detailed Answer
🕒 Easy to Read
Read the answer carefully and go through the related questions on the right side to improve your understanding of this topic.

Answer with Explanation

(i) indexOf(char ch)

  • Purpose: This function returns the index of the first occurrence of the specified character ch in the string. If the character is not found, it returns -1.
  • Return Data Type: int

(ii) compareTo(String s)

  • Purpose: This function compares two strings lexicographically. It returns a positive integer if the calling string is lexicographically greater than the specified string s, a negative integer if it is less, and 0 if both strings are equal.
  •