String index out of range 4

Question

I am a beginner here to Java  So I tried to run this code here  but it kept giving me this error   Exception in thread  main  java lang StringIndexOutOfBoundsException  String index out of range  4    I need some help  Here is my code   import java util Scanner   public class TestFour   public static void main String  args       String inp  new String      Scanner scan   new Scanner System in     System out println  Enter Word       inp   scan nextLine      int output   1    int    board   new int 40     int points   0     int totalpoints   0    int input      start of for loop   for int i   0  i  lt  5  i             input   scan nextInt         for  int j   0  j  lt  inp length    j                     values of letters         if inp charAt i      a     inp charAt i      e                        points   1                    else if inp charAt i      d     inp charAt i      r                         points   2                    else if inp charAt i      b     inp charAt i      m                        points   3                    else if inp charAt i      v     inp charAt i      y                        points   4                    else if inp charAt i      j     inp charAt i      x                        points   8                    else                      points   points                       checking if double letter or triple letter and executing program         if   input   3    0  amp  amp  input   6    0                       points   points   2                    else                      points   points                        if  input   5    0  amp  amp  input    15                       points   points   3                    else                       points   points                    totalpoints   totalpoints   points          input   input   1          end of for loop      input   input - 4         checking if double word or triple word and executing program      for  int k   0  k  lt  inp length    k                      if  input   7    0  amp  amp  input    21  amp  amp  input    25                       totalpoints   totalpoints   2                    else                      totalpoints   totalpoints                     if  input   8    0  amp  amp  input    40                       totalpoints   totalpoints   3                    else                      totalpoints   totalpoints                    input   input   1               System out println totalpoints         The problem starts at the for loop the fifth time I enter the input  Thank you for your time  I really don t get how to fix it even though I know what is going on

User · Accepted Answer

You are using the wrong iteration counter  replace inp charAt i  with inp charAt j

[java] String index out of range: 4

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