phone interview, 2 parts, each part cost 50 minutes. first talk about my projects, and: Suppose there is array contains 100 unsorted elements ...say a[1] to a[100]. find out the minimum and maximum value in the range of a[25] to a[75]. second: You have got 2 strings(S1, S2) and 1 character(c1). All inputs to be taken from user. You need to check for the character c1 in String S1, and wherever you find the character, you need to replace it with the string S2. Next Write all possible test cases to test the program. It can be possible that the character c1 is appearing more than once in the String s1. Clause - You are not allowed to use any Java Library methods in it. Not even charAt() method.