Given a binary string s and an integer k, return true if every binary code of length k is a substring of s. Otherwise, return false. Explanation: The binary codes of length 2 are "00", "01", "10" and ...

A Java program that calculates the sum of all even numbers between 1 and 50 using a for loop. Then it use an if statement to check if a number is even. Expected Output: The sum of all even numbers ...