Finished stock prices and skijumper

files/MathProblems.java

@@ -12,10 +12,13 @@ public class MathProblems
       int b=1;
       try
       {
-         System.out.print("Enter a: ");
+         System.out.print("Enter the numerator: ");
          a = input.nextInt();
-         System.out.print("Enter b: ");
+         System.out.print("Enter the divisor: ");
          b = input.nextInt();
+         int div = a/b;
+         int mod = a%b;
+         System.out.println(a+" / "+b+" is "+div+" with a remainder of "+mod);
       }
       catch(InputMismatchException ime)
       {
@@ -35,3 +38,4 @@ public class MathProblems
       functions.divide();
    }
 }
+

files/SkiJumper.java

@@ -5,10 +5,49 @@
    * Add code to this class by implementing the interfaces
    * ITrainer and IAthlete such that the code in main()
    * executes providing the output shown in Problem 3.
- */
+*/
 public class SkiJumper implements IAthlete, ITrainer
 {
-
-
-
-} // End class SkiJumper
+   private String name;
+   private double hours;
+   private int nJumps;
+   public SkiJumper(String name){
+      this.name=name;
+      this.hours=0;
+      this.nJumps=0;
+   }
+   public String getName(){
+      return this.name;
+   }
+   public int getNJumps(){
+      return this.nJumps;
+   }
+   public void jump(){
+      this.nJumps += 1;
+   }
+   @Override
+   public void data(){
+      System.out.println("Name: "+this.name);
+      System.out.println("Hours: "+this.hours);
+      System.out.println("Number of jumps: "+this.nJumps);
+   }
+   @Override
+   public void train(double h){
+      System.out.println("I am on slopes "+h+" hours today");
+      this.hours += h;
+   }
+   @Override
+   public boolean equals(Object other) {
+      boolean eq;
+      if (other == null){
+         return false;
+      }
+      else if (this.getClass() != other.getClass()){
+         return false;
+      }
+      else{
+         SkiJumper sj = (SkiJumper) other;
+         return this.nJumps == sj.getNJumps();
+      }
+   } // End class SkiJumper
+}

files/StockPrices.java

@@ -5,23 +5,30 @@ public class StockPrices
    public static void main( String[] args )
    {
       double total = 0.0;
+      double current;
+      String line;
+      File portfolio_txt = new File("portfolio.txt");
       Scanner inputFile = null;
-
       // Use a loop in the try block to read each line of the file.
       // Lecture Slides 13 (posted on D2L) provide a good example
       try
       {
-
-         
-
+         inputFile = new Scanner(portfolio_txt);
+         while (inputFile.hasNextLine()) {
+            line = inputFile.nextLine();
+            String[] parts = line.split(" ");
+            current = Double.parseDouble(parts[1]);
+            total += current;
+         }
       }
-      catch( )
+      catch(FileNotFoundException fnfe)
       {
+         System.out.println("Can't find file");
          // A FileNotFoundException needs to be handled here
       }
       finally
       {
-         
+         inputFile.close();
       }
       System.out.println( "The total value is: $" + total );