java programs

Q3) (15 points) 2. Write a JAVA program that reads an array from input file and invokes two different methods Sort and Max that sorts the elements of the array and finds the Max element and writes out the resulted array in to output file. Use two interfaces for methods and throw Exception Handling For Out Of Bound index for the array. b. Write a program to create a room class, the attributes of this class is roomno, roomtype, roomarea and ACmachine. In this class the member functions are setdata and displaydata