- Write a function to find if a number is a palindrome or not. Take number as parameter.
- Write a function that returns all prime numbers between two given numbers.
- Write a function that returns the sum of first n natural numbers.
- Given a sorted array return the index of given key.
Input: arr=[1,2,6,9]
Key : 6
Output: element found at index 2
- Given two matrices, multiply them.
6.Find second Largest element in an Array
Input: arr=[1,2,5,7] Output: 5
- Given a string s, return the string after replacing every uppercase letter with the same lowercase letter.
Input: s = “Hello”
Output: “hello”
- java program to reverse a string
Input: s = “Hello” Output: “olleH”
- Check given two strings are equivalent or not.
