JAVA. Please follow steps and complete program (Interface and program separately) and include coding ready to be copied

public class LoopsLab /power. without using the Math library, this method should return a to the bth power public int power(int a, int b) { return 0; ) power Input: 2, 3 Output: 8 /validPassword: use the password variable and validPassword Please enter your password: 1234 continuously ask the user for their password. If they have tried 3 times with no success, return false. If they get it before the 3rd turn, return true. THIS WILL USE SCANNER* 6787 You've exceeded # of attempts. Try again later public boolean validPassword(int password) { return false; ) //charCount: returns the number of times that char ch public int charCount(String s, char ch) charCount Input: Welcome to Bob's Burgers, e Output: 3 appears in String s {return 0;)