Java exercise: Create a class about encoding with the following information. a public static method: it will accept two String parameters, your text to be encoded and an encrypting key. It returns a String of your encoded text. a public static method: it will accept two String parameters, your text to be decoded and an encrypting key. It returns a String of your decoded text. a private method: it will accept one String, your encrypting key, and returns an ASCII offset to be added to each character during encoding.SumOfDiscrimants$($Qarrav: QuadraticEquation$[1)$ method: it will calculated the sum of

discriminants of each elements of the Qarray which it takes as a parameter.