//SumAvgMaxStrings.java

import java.awt.*;
import javax.swing.*;

public class SumAvgMaxStrings extends JApplet {    

    public void init() {

	String input, maxString, minString, previous;
	int num, numStrings=0, largest, smallest;
	int stringLength;
	double sum=0;
	String inOrder="yes";
	
	//"priming read" to get first string
	input = JOptionPane.showInputDialog( "Enter a word (Enter to quit)" );
	//a String's length() method returns the number of characters in it
	largest = input.length();  //length of longest string
	maxString = input;   //the actual longest string
	smallest = input.length();
	minString = input;
	previous = input;  //remember the previously inputted string
	
	while (!input.equals("")) {   //loop until empty string
	    stringLength = input.length();
	    sum = sum + stringLength; //add string length to sum of string lengths.
	    numStrings++;    
	    showStatus("sum="+sum+"  word="+input+"  #strings="+numStrings);
	    if (stringLength > largest) { 
		largest = stringLength;  
		maxString = input;
	    }
	    if (stringLength < smallest) {
		smallest = stringLength; 
		minString = input;
	    }
	    //String compareTo method to alphabetically compare two strings.
	    //returns <0 if comes before, >0 if comes after, 0 if same
	    if (input.compareTo(previous) < 0)
	        inOrder = "no";   //an out-of-order word, thus entire sequence of words is not in alphabetical order
	    previous = input;  //this input will be previous for next word

	    //get next word:
	    input = JOptionPane.showInputDialog( "Enter a word (Enter to quit)" );
	}
	
	if (numStrings > 0) {
	    JOptionPane.showMessageDialog(null, 
	    	                          "#words=" + numStrings+ 
	                                  "\nTotal number of letters=" + sum +
					  "\nAverage letters per word=" + 
					  	(double)sum/numStrings+
					  "\nLongest word length=" + largest +
					          "  " + maxString +
					  "\nShortest word length=" + smallest +
						  "  " + minString +
				          "\nWords entered in order: " + inOrder);
	}
	else
	    JOptionPane.showMessageDialog(null, "No words entered");
    }
}