// Scores.java: read scores and calculate average
public class Scores
{
   public static void main (String[] args) {
      int score;
      int sumScores = 0;
      int countScores = 0;
      int maxScore;
      // use a "priming" read just before the loop
      score = GetNext.getNextInt();
      maxScore = score;
      while (score >= 0) { // terminate loop with negative number
         countScores++;
         sumScores = sumScores + score;
         if (score > maxScore) maxScore = score;
         score = GetNext.getNextInt();
      }
      if (countScores%2 == 0)
         System.out.println("Even");
      else
         System.out.println("Odd");
      // extra output just to be sure
      System.out.println("countScores: " + countScores);
      System.out.println("sumScores:   " + sumScores);
      System.out.println("maxScore:    " + maxScore);
   } // end of main
} 

Input:  80 70 90 60 -1

Output:
Even
countScores: 4
sumScores:   300
maxScore:    90

// Scores.java: read scores and calculate average
public class Scores
{
   public static void main (String[] args) {
      int score;
      int sumScores = 0;
      int countScores = 0;
      int maxScore = 0; // make the initial max as small as possible
      while (true) { // must terminate elsewhere
         score = GetNext.getNextInt();
         if (score < 0) break;
         countScores++;
         sumScores += score;
         if (score > maxScore) maxScore = score;         
      }
      if (countScores%2 == 0)
         System.out.println("Even");
      else
         System.out.println("Odd");
      // extra output just to be sure
      System.out.println("countScores: " + countScores);
      System.out.println("sumScores:   " + sumScores);
      System.out.println("maxScore:    " + maxScore);
   } // end of main
} 

 
public class Scores
{
   public static void main (String[] args) {
      int score;
      int sumScores = 0;
      int countScores = 0;        
      int maxScore = 0;
      // store next score and check for -1 inside while condition
      while ((score = GetNext.getNextInt()) >= 0) { 
         countScores++;
         sumScores = sumScores + score;
         if (score > maxScore) maxScore = score;
      }
      if (countScores%2 == 0)
         System.out.println("Even");
      else
         System.out.println("Odd");
      // extra output just to be sure
      System.out.println("countScores: " + countScores);
      System.out.println("sumScores:   " + sumScores);
      System.out.println("maxScore:    " + maxScore);
   } // end of main
}     

// HealthRecord.java: store health information
public class HealthRecord 
{ 
   public static final double FEVER = 100.4;
   private String name; 
   private double age; 
   private double temperature; 

   public HealthRecord(String n, double a, double t) { 
      name = n; age = a; temperature = t; // part a
   } 

   public String getName() { 
      return name; 
   } 

   public double getAge() { 
      return age;
   }
 
   public double getTemperature() { 
      return temperature; 
   } 

   public boolean hasFever() { 
      return temperature >= FEVER; // part b
   } 

   public boolean needsBloodWorkup() { 
      return hasFever() && age < 0.5; // part c 
   } 
} 

// HealthRecordDemo.java: test HealthRecord class
public class HealthRecordDemo {
   public static void main (String[] args) {
      HealthRecord patient1 = 
         new HealthRecord("Joe Jones", 2.0, 101.5);
      HealthRecord patient2 = 
         new HealthRecord("John Junior", 0.3, 102.1); // part d
      HealthRecord patient3 = 
         new HealthRecord("Jenny Jamanski", 0.7, 100.3);

      if (patient1.hasFever())
         System.out.println(patient1.getName() + " has a fever"); // part e
      if (patient1.needsBloodWorkup())
         System.out.println(patient1.getName() + " needs a blood workup");
      if (patient2.hasFever())
         System.out.println(patient2.getName() + " has a fever");
      if (patient2.needsBloodWorkup())
         System.out.println(patient2.getName() + " needs a blood workup"); // part f
      if (patient3.hasFever())
         System.out.println(patient3.getName() + " has a fever");
      if (patient3.needsBloodWorkup())
         System.out.println(patient3.getName() + " needs a blood workup");

   }
} 

Output of a run:
Joe Jones has a fever
John Junior has a fever
John Junior needs a blood workup

Random myRandom = new Random();
int dice = (int)(6.0*myRandom.nextDouble() + 1.0)

(Note: 6.0 and 1.0 above could just be 6 and 1.

// Stars.java: read scores and calculate average
public class Stars
{
   public static void main (String[] args) {
      int n = 8;
      System.out.println("n: " + n);
      for (int i = 0; i < n; i++) {
         for (int j = 0; j < i; j++)
            System.out.print(" ");
         for (int j = 0; j < n-i; j++)
            System.out.print("*");
         System.out.println();
      }
   }
}