compilation - Compiling Error java.io.IOExeption error must be caught or declared -

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This is a new error I have not seen before, I would be very grateful for some help 

  Import java.util.Scanner; Public class InClass_Module_5 {public static zero main (string [] args) {/ four options; String vehicle 1, vehicle 2, vehicle 3, vehicle 4, ANST; Vehicle 1 = "Mercedes-Benz C 350 Sports Sadon"; Vehicle 2 = "Volkswagen Touregg"; Vehicle 3 = "Nissan Murano"; Vehicle 4 = "Ford F-150"; AnStr = "You have a right vehicle for you!"; System.out.println ("Write the letter corresponding to the vehicle that you want to do:"); Scanner = new scanner (System.in); Four options; System.out.print ("\ nEnter the letter related to the vehicle that you want to do:"); Choice = (four) System.in.read (); If (option> = 'A' and & amp; option & lt; = 'D') // option + = 32; If (likes> = 'A' and & amp; option & lt; = 'd') // options - = 32; System.out.println ("A" + vehicle1); System.out.println ("B." + vehicle2); System.out.println ("C." + Vehicle 3); System.out.println ("D." + Vehicle 4); System.out.println ("You chose the letter:" + option); If (like == 'A') {System.out.println ("" + 1 + ANST); } And if (like == 'B') {System.out.println ("" + + 2+ ANST vehicles); } And if (like == 'C') {System.out.println ("" + + vehicle3 + ANST); } And if (like == 'D') {System.out.println ("" + 4 + ANST); } Else {System.out.println ("You have made a valid selection and will not run anything today!"); }}}   
  error :  
 
 1 error was found: file: / user / gcaruso / document / cis 110 / module 3 / Module 4 / InClass_Module_5.java [Row: 31] Error: / User / Gkarno / Document / CISS 110 / Module 3 / Module 4 / Inclama_Module_5. Java: 31: unchanged exception java.io.IOException;      
 
 
 In a try / grip block, its line 31 Wrap:  
  try {// whatever your line is 31} hold (java.io.IOException) {// your error handling code}   
 Some methods have been specified to throw some exceptions (errors) when something goes wrong. Those exceptions should be controlled by the effort / grip block to seize the exception and catch those exceptions to separate the exception and keep it from cascading in full code. See for more information.

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