i want correct code in java fast

Assignment 1_1: You have the following: a= "Hello, World!" Print the length of this string. Hint: Search online for a method that returns the length of a string. Assignment 1_2: You have the following: string = "Python is awesome, isn't it?" Print the number of times the sequence of characters "is" appears in this string. Hint: Search online for a method that returns the number of times a character or sequence of characters appears in a string