Question

The files provided contain syntax and/or logic errors. In each case, determine and fix the problem, remove all syntax and coding errors, and run the program to ensure it works properly.

import java.util.*;
public class DebugEight1
{
public static void main(String args[])
{
Scanner input = new Scanner(System.in);
char userCode;
String entry, message;
boolean found = false;
char[] okayCodes = {'A''C''T''H'};
StringBuffer prompt = new
StringBuffer("Enter shipping code for this delivery\nValid codes are: ");
for(int x = 0; x < length; ++x)
{
prompt.append(okayCodes[x]);
if(x != (okayCodes.length - 1))
prompt.append(", ");   
}
System.out.println(prompt);
entry = input.next();
userCode = entry.charAt(0);
for(int i = 0; i < length; ++i)
{
if(userCode = okayCodes)
{
found = true;
}
}
if(found)
message = "Good code";
else
message = "Sorry code not found";
System.out.println(message);
}
}

Answer 1

import java.util.*;

public class DebugEight1 {
    public static void main(String args[]) {
        Scanner input = new Scanner(System.in);
        char userCode;
        String entry, message;
        boolean found = false;
        char[] okayCodes = {'A', 'C', 'T', 'H'};
        StringBuffer prompt = new StringBuffer(
                "Enter shipping code for this delivery\nValid codes are: ");
        for (int x = 0; x < okayCodes.length; ++x) {
            prompt.append(okayCodes[x]);
            if (x != (okayCodes.length - 1))
                prompt.append(", ");
        }
        System.out.println(prompt);
        entry = input.next();
        userCode = entry.charAt(0);
        for (int i = 0; i < okayCodes.length; ++i) {
            if (userCode == okayCodes[i]) {
                found = true;
            }
        }
        if (found)
            message = "Good code";
        else
            message = "Sorry code not found";
        System.out.println(message);
    }
}