write a java method

(10p) (a) English Write a public Java method toArray (ArrayList list) that creates, con- structs, and returns an integer array containing the same integer (in the same order) as the in parameter list. English Write a public Java method boolean containsXandY (String str) returning true if the input string str contains both the lower case letters x and y (and false otherwise). That , the strings abbx, aYbx, and yyyy should all return false whereas ybbx, xxxyyyxxx, and xylofon should all return true