I keep getting this error and I do not know how to fix
it. this is the code I've been working on:
please help me
import java.util.*;
public class TelephoneNumber {
public static void main(String[] args)
{String number;
int i=0,j=0;
char c;
Scanner in=new Scanner (System.in);
System.out.println("Enter the phone number: ");
number=in.nextLine();
number=number.toUpperCase();
c=number.charAt(i);
while(c!='\n'&&j<=7)
{switch(c)
{case 'A':
case 'B':
case 'C':
System.out.print("2");
j++;
break;
case 'D':
case 'E':
case 'F':
System.out.print("3");
j++;
break;
case 'G':
case 'H':
case'I':
System.out.print("4");
j++;
break;
case 'J':
case 'K':
case'L':
System.out.print("5");
j++;
break;
case 'M':
case 'N':
case'O':
System.out.print("6");
j++;
break;
case 'P':
case 'R':
case'S':
System.out.print("7");
j++;
break;
case 'T':
case 'U':
case'V':
System.out.print("8");
j++;
break;
case 'W':
case 'X':
case'Y':
System.out.print("9");
j++;
break;
}
if(j==3)
System.out.print("-");
i++;
c=number.charAt(i);
}
}
}
input code:
output:
input code:
import java.util.*;
public class Telephone {
public static void main(String[] args)
{
/*declare variables*/
String number;
int i=0,j=0;
char c;
/*take input from user*/
Scanner in=new Scanner (System.in);
System.out.println("Enter the phone number: ");
number=in.nextLine();
/*remove space from String*/
number = number.replaceAll("\\s", "");
number=number.toUpperCase();
c=number.charAt(i);
/*print the telephone number*/
while(c!='\n' && j<7)
{
/*check the Character and print*/
switch(c)
{
case 'A':
case 'B':
case 'C':
System.out.print("2");
j++;
break;
case 'D':
case 'E':
case 'F':
System.out.print("3");
j++;
break;
case 'G':
case 'H':
case 'I':
System.out.print("4");
j++;
break;
case 'J':
case 'K':
case'L':
System.out.print("5");
j++;
break;
case 'M':
case 'N':
case 'O':
System.out.print("6");
j++;
break;
case 'P':
case 'R':
case'S':
System.out.print("7");
j++;
break;
case 'T':
case 'U':
case 'V':
System.out.print("8");
j++;
break;
case 'W':
case 'X':
case'Y':
System.out.print("9");
j++;
break;
default:
break;
}
/*print -*/
if(j==3)
{
System.out.print("-");
}
/*put condition so String array index don't go out the
String*/
if(j!=6)
{
i++;
c=number.charAt(i);
}
}
}
}
explain:
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