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I have this error in my code:

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException:
70

at Main.main(Main.java:72)

I don't know why it is doing this? please help. I thank you in advance. I have gone through several threads on several websites and it doesn't have anything that worked. I have been working on this for a while. I know what the ArrayIndexOutOfBoundsException is i am trying to figure it out though and i have been unsuccessful

This is the code:

import java.util.Scanner;

import java.util.Random;
public class Main

 public static void main (String[] args)
 
 Scanner myScanner = new Scanner (System.in);
 Random myRandom = new Random();
 int answer;
 int definitionSelected = 0;
 String[] code = new String[68];
 String[] definition = new String[68];
 int[] listedDefinition = new int[4];
 int[] definitionUsed = new int[68];
 int i;
 int Size = 68;
 int Other = 4;
 double[] alpha = new double[68];
 int count = 0;
 code[0] = "10-0" ; definition[0] = "Disappeared";
 code[1] = "10-1" ; definition[1] = "Frequency Change";
 code[2] = "10-2" ; definition[2] = "Negative";
 code[3] = "10-3" ; definition[3] = "Stop Transmitting";
 code[4] = "10-4" ; definition[4] = "Affirmative";
 code[5] = "10-5" ; definition[5] = "Relay Message";
 code[6] = "10-6" ; definition[6] = "Busy";
 code[7] = "10-7" ; definition[7] = "Out Of Service";
 code[8] = "10-8" ; definition[8] = "In Service";
 code[9] = "10-9" ; definition[9] = "Repeat";
 code[10] = "10-10" ; definition[10] = "Fight In Progress";
 code[11] = "10-11" ; definition[11] = "Traffic Stop";
 code[12] = "10-12" ; definition[12] = "Standby";
 code[13] = "10-13" ; definition[13] = "Gun Shots";
 code[15] = "10-15" ; definition[15] = "Subject en Route to station";
 code[16] = "10-16" ; definition[16] = "Stolen Vehicle";
 code[17] = "10-17" ; definition[17] = "Suspicious Person";
 code[19] = "10-19" ; definition[19] = "Active Ride Along";
 code[20] = "10-20" ; definition[20] = "location";
 code[22] = "10-22" ; definition[22] = "Disregard";
 code[23] = "10-23" ; definition[23] = "Arrived on scene";
 code[25] = "10-25" ; definition[25] = "Do you have contact with ?";
 code[26] = "10-26" ; definition[26] = "ETA";
 code[27] = "10-27" ; definition[27] = "Drivers license check for valid";
 code[28] = "10-28" ; definition[28] = "license Plate check";
 code[29] = "10-29" ; definition[29] = "NCIC Warrant Check";
 code[30] = "10-30" ; definition[30] = "Wanted Person";
 code[31] = "10-31" ; definition[31] = "Armed Suspect";
 code[32] = "10-32" ; definition[32] = "Request Backup, Code 1,2,3";
 code[34] = "10-34" ; definition[34] = "Wanted Person";
 code[35] = "10-35" ; definition[35] = "Not Wanted No Warrants";
 code[38] = "10-38" ; definition[38] = "Suspicious Vehicle";
 code[41] = "10-41" ; definition[41] = "Beginning Tour Of Duty";
 code[42] = "10-42" ; definition[42] = "Ending Tour Of Duty";
 code[43] = "10-43" ; definition[43] = "Information About ?";
 code[46] = "10-46" ; definition[46] = "Attempt Of Suicide";
 code[49] = "10-49" ; definition[49] = "Drag Racing";
 code[50] = "10-50" ; definition[50] = "vehicle Accident";
 code[51] = "10-51" ; definition[51] = "Request Towing Service";
 code[52] = "10-52" ; definition[52] = "Request EMS";
 code[53] = "10-53" ; definition[53] = "Request Fire Department";
 code[54] = "10-54" ; definition[54] = "Hit And Run";
 code[55] = "10-55" ; definition[55] = "Intoxicated Driver";
 code[56] = "10-56" ; definition[56] = "Intoxicated Pedestrian";
 code[60] = "10-60" ; definition[60] = "Assault By An Animal";
 code[61] = "10-61" ; definition[61] = "Bicycle Theft";
 code[62] = "10-62" ; definition[62] = "Kidnapping";
 code[63] = "10-63" ; definition[63] = "Radio Check";
 code[64] = "10-64" ; definition[64] = "Sexual Assualt";
 code[65] = "10-65" ; definition[65] = "Armed Robbery";
 code[66] = "10-66" ; definition[66] = "Reckless Driver";
 code[67] = "10-67" ; definition[67] = "Fire";
 code[70] = "10-70" ; definition[70] = "Foot Pursuit";
 code[71] = "10-71" ; definition[71] = "Request Supervisor On Scene";
 code[72] = "10-72" ; definition[72] = "Administrative Assistance";
 code[73] = "10-73" ; definition[73] = "Advise Status";
 code[74] = "10-74" ; definition[74] = "Negative";
 code[76] = "10-76" ; definition[76] = "Prowler";
 code[80] = "10-80" ; definition[80] = "Vehicle Pursuit";
 code[85] = "10-85" ; definition[85] = "Delay Due To";
 code[86] = "10-86" ; definition[86] = "Any Traffic For me?";
 code[88] = "10-88" ; definition[88] = " Requesting Deputy Chief (Department)";
 code[89] = "10-89" ; definition[89] = "Requesting Chief (Department)";
 code[90] = "10-90" ; definition[90] = "Warning";
 code[91] = "10-91" ; definition[91] = "Unnecessary use of Radio";
 code[93] = "10-93" ; definition[93] = "Bank Alarm";
 code[97] = "10-97" ; definition[97] = "In route";
 code[99] = "10-99" ; definition[99] = "Officer In Distress EXTREME EMERGENCY ONLY";
 do
 
 answer = myRandom.nextInt(68);
 System.out.println("nCode Is : " + code [answer] + "n");
 for (i = 0;i<Size;i++) j == answer);
 definitionUsed[j] = 1;
 listedDefinition[i] = j;

 
 listedDefinition[myRandom.nextInt(4)] = answer;
 for (i = 0;i<Other;i++)
 
 System.out.println((i + 1) + " - " +
 definition[listedDefinition[i]]);
 
 System.out.print("nWhat is The definition? (Enter 0 to Stop) ");
 definitionSelected = myScanner.nextInt();
 if (definitionSelected != 0)
 
 if (listedDefinition[definitionSelected - 1] == answer)
 System.out.println("That's It Good Job");

 
 else
 
 System.out.println("Sorry, The answer is " + definition +".");
 
 
 while (definitionSelected != 0);
 

You have defined an array of size 68 and you are trying to use it beyond this size. Since size of array cannot be dynamically increased. So we get the exception, Array index out of bounds. If you want the size to change dynamically use ArrayList.

You have to fix initial array size.

In your code you have:

code[99] = "10-99"

and

definition[99] = "Officer In Distress EXTREME EMERGENCY ONLY";

In both cases you are trying to assing to position 99 so it means that you have at least 100 element (because for 100 elements positions are from 0 to 99).

So you have to change your initial size from 68 to 100 in those lines:

String[] code = new String[68];
String[] definition = new String[68];
int[] listedDefinition = new int[4];
int[] definitionUsed = new int[68];
double[] alpha = new double[68];

to:

String[] code = new String[100];
String[] definition = new String[100];
int[] listedDefinition = new int[100];
int[] definitionUsed = new int[100];
double[] alpha = new double[100];