Replace WWW, XXX, YYY, and ZZZ in the code below to write a method that takes an array of Strings and two strings (str1 and str2) to check if the str1 is present in the array. If str1 is present replace it with str2 and return the modified array, otherwise return the original array.  WWW      [ Select ] String[ ] findReplace(String[ ] arry, String str1, String str2) String findReplace(String arry, String str1, String str2) String findReplace(String[ ] arry, String str1, String str2) String[ ] findReplace(String str1, String str2) XXX      int idx = 0; idx<arry.length; idx++ YYY     [ Select ] arry[idx].equals(str1) arry(idx).equals(str1) arry.equals(str1) arry[idx] == str1 ZZZ    return arry多重下拉选择题