countCode

Return the number of times that the string "code" appears anywhere in the given string, except we'll accept any letter for the 'd', so "cope" and "cooe" count.

countCode("aaacodebbb") → 1
countCode("codexxcode") → 2
countCode("cozexxcope") → 2

public int countCode(String str)
{
   int count =0;
    for(int i=0;i<str.length()-3;i++)
   {
      if(str.charAt(i)=='c' && str.charAt(i+1)=='o' && str.charAt(i+3)=='e')
      count++;
   }
  return count;
 }