// Fig. 4.12: 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; 
      int failures = 0;
      int studentCounter = 1; 

      // 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): ");
         int result = input.nextInt();

         // if...else is nested in the while statement           
         if (result == 1) {         
            passes = passes + 1;   
         }
         else {                       
            failures = failures + 1; 
         }

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

      // 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!");
      }
   } 
}

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