Analysis - Java Sample Program

// Analysis.java
// Analysis of examination results using nested control statements.
import java.util.Scanner; // class uses class Scanner

public class Analysis 
{
   public static void main( String[] args ) 
   {
      // create Scanner to obtain input from command window
      Scanner input = new Scanner( System.in );

      // initializing variables in declarations
      int passes = 0; // number of passes
      int failures = 0; // number of failures
      int studentCounter = 1; // student counter
      int result; // one exam result (obtains value from user)

      // process 10 students using counter-controlled loop
      while ( studentCounter <= 10 ) 
      {
         // prompt user for input and obtain value from user
         System.out.print( "Enter result (1 = pass, 2 = fail): " );
         result = input.nextInt();

         // if...else is nested in the while statement           
         if ( result == 1 )          // if result 1,
            passes = passes + 1;     // increment passes; 
         else                        // else result is not 1, so
            failures = failures + 1; // increment failures

         // increment studentCounter so loop eventually terminates
         studentCounter = studentCounter + 1;  
      } // end while

      // termination phase; prepare and display results
      System.out.printf( "Passed: %d\nFailed: %d\n", passes, failures );

      // determine whether more than 8 students passed
      if ( passes > 8 )
         System.out.println( "Bonus to instructor!" );
   } // end main
} // end class Analysis