Count_words_in_string.java

public class Str {
  public static void main (String[] args){
    String p1 = " abhinav is a good";
    int i=0;
    int j=0;
    int count = 0;
    while(i < p1.length()){
      if(p1.charAt(i) == '\t' || p1.charAt(i) == ' '){
	    i++;
      }else{
        j = i;
        count++;
        while(j < p1.length() && p1.charAt(j) != ' ' && p1.charAt(j) != '\t'){
          j++;	
        }
        i = j;
      }	
    }
    System.out.println(count);
  }
}