Completed lab

MathUtilities.java

@@ -1,240 +1,237 @@
 
-
 /**
-* Created by dan on 6/14/17.
-*/
+ * Created by dan on 6/14/17.
+ */
 public class MathUtilities {
 
-   /**
-    * @param baseValue  starting value
-    * @param difference value to add to starting value
-    * @return sum of `baseValue` and `difference`
-    */
-   public Integer add(int baseValue, int difference) {
-       return (baseValue + difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to add to starting value
-    * @return sum of `baseValue` and `difference`
-    */
-   public Long add(long baseValue, long difference) {
-       return (baseValue + difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to add to starting value
-    * @return sum of `baseValue` and `difference`
-    */
-   public Short add(short baseValue, short difference) {
-       return (short)(baseValue + difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to add to starting value
-    * @return sum of `baseValue` and `difference`
-    */
-   public Byte add(byte baseValue, byte difference) {
-       return (byte)(baseValue + difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to add to starting value
-    * @return sum of `baseValue` and `difference`
-    */
-   public Float add(float baseValue, float difference) {
-       return (baseValue + difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to add to starting value
-    * @return sum of `baseValue` and `difference`
-    */
-   public Double add(double baseValue, double difference) {
-       return (baseValue + difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to subtract from starting value
-    * @return difference between `baseValue` and `difference`
-    */
-   public Integer subtract(int baseValue, int difference) {
-       return (baseValue - difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to subtract from starting value
-    * @return difference between `baseValue` and `difference`
-    */
-   public Long subtract(long baseValue, long difference) {
-       return (baseValue - difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to subtract from starting value
-    * @return difference between `baseValue` and `difference`
-    */
-   public Short subtract(short baseValue, short difference) {
-       return (short)(baseValue-difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to subtract from starting value
-    * @return difference between `baseValue` and `difference`
-    */
-   public Byte subtract(byte baseValue, byte difference) {
-       return (byte)(baseValue - difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to subtract from starting value
-    * @return difference between `baseValue` and `difference`
-    */
-   public Float subtract(float baseValue, float difference) {
-       return (baseValue - difference);
-   }
-
-   /**
-    * @param baseValue  starting value
-    * @param difference value to subtract from starting value
-    * @return difference between `baseValue` and `difference`
-    */
-   public Double subtract(double baseValue, double difference) {
-       return (baseValue - difference);
-   }
-
-
-   /**
-    * @param dividend value to be divided
-    * @param divisor value to divide by
-    * @return division of `dividend` by `divisor
-    */
-   public Integer divide(int dividend, int divisor) {
-       return (dividend / divisor);
-   }
-
-   /**
-    * @param dividend value to be divided
-    * @param divisor value to divide by
-    * @return division of `dividend` by `divisor
-    */
-   public Long divide(long dividend, long divisor) {
-       return (dividend / divisor);
-   }
-
-   /**
-    * @param dividend value to be divided
-    * @param divisor value to divide by
-    * @return division of `dividend` by `divisor
-    */
-   public Short divide(short dividend, short divisor) {
-       return (short)(dividend / divisor);
-   }
-
-   /**
-    * @param dividend value to be divided
-    * @param divisor value to divide by
-    * @return division of `dividend` by `divisor
-    */
-   public Byte divide(byte dividend, byte divisor) {
-       return (byte)(dividend / divisor);
-   }
-
-   /**
-    * @param dividend value to be divided
-    * @param divisor value to divide by
-    * @return division of `dividend` by `divisor
-    */
-   public Float divide(float dividend, float divisor) {
-       return (dividend / divisor);
-   }
-
-   /**
-    * @param dividend value to be divided
-    * @param divisor value to divide by
-    * @return division of `dividend` by `divisor
-    */
-   public Double divide(double dividend, double divisor) {
-       return (dividend / divisor);
-   }
-
-
-   /**
-    * @param multiplicand value to be multiplied
-    * @param multiplier value to multiply by
-    * @return product of `multiplicand` by `multiplier`
-    */
-   public Integer multiply(int multiplicand, int multiplier) {
-       return (multiplicand * multiplier);
-   }
-
-   /**
-    * @param multiplicand value to be multiplied
-    * @param multiplier value to multiply by
-    * @return product of `multiplicand` by `multiplier`
-    */
-   public Long multiply(long multiplicand, long multiplier) {
-       return (multiplicand * multiplier);
-   }
-
-   /**
-    * @param multiplicand value to be multiplied
-    * @param multiplier value to multiply by
-    * @return product of `multiplicand` by `multiplier`
-    */
-   public Short multiply(short multiplicand, short multiplier) {
-       return (short)(multiplicand * multiplier);
-   }
-   /**
-    * @param multiplicand value to be multiplied
-    * @param multiplier value to multiply by
-    * @return product of `multiplicand` by `multiplier`
-    */
-   public Byte multiply(byte multiplicand, byte multiplier) {
-       return (byte)(multiplicand * multiplier);
-   }
-
-   /**
-    * @param multiplicand value to be multiplied
-    * @param multiplier value to multiply by
-    * @return product of `multiplicand` by `multiplier`
-    */
-   public Float multiply(float multiplicand, float multiplier) {
-       return (multiplicand * multiplier);
-   }
-
-   /**
-    * @param multiplicand value to be multiplied
-    * @param multiplier value to multiply by
-    * @return product of `multiplicand` by `multiplier`
-    */
-   public Double multiply(double multiplicand, double multiplier) {
-       return (multiplicand * multiplier);
-   }
-
-
-   /**
+    /**
+     * @param baseValue  starting value
+     * @param difference value to add to starting value
+     * @return sum of `baseValue` and `difference`
+     */
+    public Integer add(int baseValue, int difference) {
+        return (baseValue + difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to add to starting value
+     * @return sum of `baseValue` and `difference`
+     */
+    public Long add(long baseValue, long difference) {
+        return (baseValue + difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to add to starting value
+     * @return sum of `baseValue` and `difference`
+     */
+    public Short add(short baseValue, short difference) {
+        return (short)(baseValue + difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to add to starting value
+     * @return sum of `baseValue` and `difference`
+     */
+    public Byte add(byte baseValue, byte difference) {
+        return (byte)(baseValue + difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to add to starting value
+     * @return sum of `baseValue` and `difference`
+     */
+    public Float add(float baseValue, float difference) {
+        return (baseValue + difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to add to starting value
+     * @return sum of `baseValue` and `difference`
+     */
+    public Double add(double baseValue, double difference) {
+        return (baseValue + difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to subtract from starting value
+     * @return difference between `baseValue` and `difference`
+     */
+    public Integer subtract(int baseValue, int difference) {
+        return (baseValue - difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to subtract from starting value
+     * @return difference between `baseValue` and `difference`
+     */
+    public Long subtract(long baseValue, long difference) {
+        return (baseValue - difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to subtract from starting value
+     * @return difference between `baseValue` and `difference`
+     */
+    public Short subtract(short baseValue, short difference) {
+        return (short)(baseValue-difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to subtract from starting value
+     * @return difference between `baseValue` and `difference`
+     */
+    public Byte subtract(byte baseValue, byte difference) {
+        return (byte)(baseValue - difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to subtract from starting value
+     * @return difference between `baseValue` and `difference`
+     */
+    public Float subtract(float baseValue, float difference) {
+        return (baseValue - difference);
+    }
+
+    /**
+     * @param baseValue  starting value
+     * @param difference value to subtract from starting value
+     * @return difference between `baseValue` and `difference`
+     */
+    public Double subtract(double baseValue, double difference) {
+        return (baseValue - difference);
+    }
+
+    /**
+     * @param dividend value to be divided
+     * @param divisor value to divide by
+     * @return division of `dividend` by `divisor
+     */
+    public Integer divide(int dividend, int divisor) {
+        return (dividend / divisor);
+    }
+
+    /**
+     * @param dividend value to be divided
+     * @param divisor value to divide by
+     * @return division of `dividend` by `divisor
+     */
+    public Long divide(long dividend, long divisor) {
+        return (dividend / divisor);
+    }
+
+    /**
+     * @param dividend value to be divided
+     * @param divisor value to divide by
+     * @return division of `dividend` by `divisor
+     */
+    public Short divide(short dividend, short divisor) {
+        return (short)(dividend / divisor);
+    }
+
+    /**
+     * @param dividend value to be divided
+     * @param divisor value to divide by
+     * @return division of `dividend` by `divisor
+     */
+    public Byte divide(byte dividend, byte divisor) {
+        return (byte)(dividend / divisor);
+    }
+
+    /**
+     * @param dividend value to be divided
+     * @param divisor value to divide by
+     * @return division of `dividend` by `divisor
+     */
+    public Float divide(float dividend, float divisor) {
+        return (dividend / divisor);
+    }
+
+    /**
+     * @param dividend value to be divided
+     * @param divisor value to divide by
+     * @return division of `dividend` by `divisor
+     */
+    public Double divide(double dividend, double divisor) {
+        return (dividend / divisor);
+    }
+
+    /**
+     * @param multiplicand value to be multiplied
+     * @param multiplier value to multiply by
+     * @return product of `multiplicand` by `multiplier`
+     */
+    public Integer multiply(int multiplicand, int multiplier) {
+        return (multiplicand * multiplier);
+    }
+
+    /**
+     * @param multiplicand value to be multiplied
+     * @param multiplier value to multiply by
+     * @return product of `multiplicand` by `multiplier`
+     */
+    public Long multiply(long multiplicand, long multiplier) {
+        return (multiplicand * multiplier);
+    }
+
+    /**
+     * @param multiplicand value to be multiplied
+     * @param multiplier value to multiply by
+     * @return product of `multiplicand` by `multiplier`
+     */
+    public Short multiply(short multiplicand, short multiplier) {
+        return (short)(multiplicand * multiplier);
+    }
+
+    /**
+     * @param multiplicand value to be multiplied
+     * @param multiplier value to multiply by
+     * @return product of `multiplicand` by `multiplier`
+     */
+    public Byte multiply(byte multiplicand, byte multiplier) {
+        return (byte)(multiplicand * multiplier);
+    }
+
+    /**
+     * @param multiplicand value to be multiplied
+     * @param multiplier value to multiply by
+     * @return product of `multiplicand` by `multiplier`
+     */
+    public Float multiply(float multiplicand, float multiplier) {
+        return (multiplicand * multiplier);
+    }
+
+    /**
+     * @param multiplicand value to be multiplied
+     * @param multiplier value to multiply by
+     * @return product of `multiplicand` by `multiplier`
+     */
+    public Double multiply(double multiplicand, double multiplier) {
+        return (multiplicand * multiplier);
+    }
+
+    /**
      * @return true
-    */
-   public Boolean returnTrue() {
-       return true;
-   }
-
-   /**
-    * @return false
-    */
-   public Boolean returnFalse() {
-       return false;
-   }
+     */
+    public Boolean returnTrue() {
+        return true;
+    }
+
+    /**
+     * @return false
+     */
+    public Boolean returnFalse() {
+        return false;
+    }
 
 }

PredicateUtilities.java

@@ -1,42 +1,41 @@
 
-
 /**
-* Created by dan on 6/14/17.
-*/
+ * Created by dan on 6/14/17.
+ */
 public class PredicateUtilities {
-   /**
-    * @param x
-    * @param y
-    * @return true if `x` is greater than `y`
-    */
-   public Boolean isGreaterThan(int x, int y) {
-       return (x>y);
-   }
+    /**
+     * @param x
+     * @param y
+     * @return true if `x` is greater than `y`
+     */
+    public Boolean isGreaterThan(int x, int y) {
+        return (x>y);
+    }
 
-   /**
-    * @param x
-    * @param y
-    * @return true if `x` is less than `y`
-    */
-   public Boolean isLessThan(int x, int y) {
-       return (x<y);
-   }
+    /**
+     * @param x
+     * @param y
+     * @return true if `x` is less than `y`
+     */
+    public Boolean isLessThan(int x, int y) {
+        return (x<y);
+    }
 
-   /**
-    * @param x
-    * @param y
-    * @return true if `x` is greater than or equal to `y`
-    */
-   public Boolean isGreaterThanOrEqualTo(int x, int y) {
-       return (x>=y);
-   }
+    /**
+     * @param x
+     * @param y
+     * @return true if `x` is greater than or equal to `y`
+     */
+    public Boolean isGreaterThanOrEqualTo(int x, int y) {
+        return (x>=y);
+    }
 
-   /**
-    * @param x
-    * @param y
-    * @return true if `x` is less than or equal to `y`
-    */
-   public Boolean isLessThanOrEqualTo(int x, int y) {
-       return (x<=y);
-   }
+    /**
+     * @param x
+     * @param y
+     * @return true if `x` is less than or equal to `y`
+     */
+    public Boolean isLessThanOrEqualTo(int x, int y) {
+        return (x<=y);
+    }
 }

StringUtilities.java

@@ -1,5 +1,4 @@
-
-
+import java.util.*;
 /**
  * Created by dan on 6/14/17.
  */
@@ -61,16 +60,17 @@ public class StringUtilities {
     public Character getMiddleCharacter(String inputValue){
         if ((inputValue.length() % 2) == 1 ){
             return inputValue.charAt(inputValue.length()/2);
-    }else{
+        }else{
             return inputValue.charAt((inputValue.length()-1)/2);
-    }
-}   
+        }
+    }   
 
     /**
      * @param spaceDelimitedString a string, representative of a sentence, containing spaces
      * @return the first sequence of characters
      */
     public String getFirstWord(String spaceDelimitedString){
+        //indexOf searches for the first instance of something
         int firstSpace = spaceDelimitedString.indexOf(" ");
         return spaceDelimitedString.substring(0,firstSpace);
     }
@@ -80,9 +80,10 @@ public class StringUtilities {
      * @return the second word of a string delimited by spaces.
      */
     public String getSecondWord(String spaceDelimitedString){
-        int firstSpace = spaceDelimitedString.indexOf(" ");
-        String removedFirstWord = spaceDelimitedString.substring(firstSpace);
-        return removedFirstWord.substring(1);
+        //scanner.next searches for the next word
+        Scanner scanner = new Scanner(spaceDelimitedString);
+        scanner.next();
+        return scanner.next();
     }
 
     /**
@@ -92,7 +93,7 @@ public class StringUtilities {
     public String reverse(String stringToReverse){
         String newString = "";
         for (int x = stringToReverse.length()-1; x >= 0; x--){
-        newString += stringToReverse.charAt(x);
+            newString += stringToReverse.charAt(x);
         }
         return newString;
     }

package.bluej

@@ -13,7 +13,7 @@ editor.fx.0.width=800
 editor.fx.0.x=429
 editor.fx.0.y=23
 objectbench.height=145
-objectbench.width=776
+objectbench.width=461
 package.divider.horizontal=0.6
 package.divider.vertical=0.7195571955719557
 package.editor.height=383