import java.util.Scanner; class Potential { public static void main(String args[]) { int sp, len, potent=0, i=0, j=0; boolean f=false; String temp="", sen; Scanner in = new Scanner(System.in); sp=1; System.out.println("Enter a sentence"); sen=in.nextLine(); len=sen.length(); while(f=false) { if(sen.charAt(len)=='!' ||sen.charAt(len)=='?') f=true; else { System.out.println("ERROR: SENTENCE DOES NOT END WITH '!'OR '?'"); System.out.println("Enter a sentence"); sen=in.nextLine(); } } sen=sen.substring(0, len-1); len=len-1; for(i=0; i