Update

3 files changed, 46 insertions, 13 deletions

diff --git a/dice/src/main/java/bjc/dicelang/dice/DiceExpression.java b/dice/src/main/java/bjc/dicelang/dice/DiceExpression.java
index a946ea0..1b129c0 100644
--- a/dice/src/main/java/bjc/dicelang/dice/DiceExpression.java
+++ b/dice/src/main/java/bjc/dicelang/dice/DiceExpression.java
@@ -13,5 +13,10 @@ public interface DiceExpression {
 	 */
 	public String value();
 
+	/**
+	 * Check if the expression is a list or not.
+	 * 
+	 * @return Whether or not the expression is a list.
+	 */
 	public boolean isList();
 }
diff --git a/dice/src/main/java/bjc/dicelang/dice/ListDiceExpression.java b/dice/src/main/java/bjc/dicelang/dice/ListDiceExpression.java
index 33c1e51..a642857 100644
--- a/dice/src/main/java/bjc/dicelang/dice/ListDiceExpression.java
+++ b/dice/src/main/java/bjc/dicelang/dice/ListDiceExpression.java
@@ -2,6 +2,12 @@ package bjc.dicelang.dice;
 
 import java.util.Arrays;
 
+/**
+ * Represents a list dice expression.
+ * 
+ * @author student
+ *
+ */
 public class ListDiceExpression implements DiceExpression {
 
 	/** The list value in this expression, if there is one. */
@@ -11,7 +17,7 @@ public class ListDiceExpression implements DiceExpression {
 	 * Create a list die expression.
 	 *
 	 * @param lst
-	 *        The list value of this expression.
+	 *            The list value of this expression.
 	 */
 	public ListDiceExpression(final DieList lst) {
 		list = lst;
@@ -42,13 +48,18 @@ public class ListDiceExpression implements DiceExpression {
 
 	@Override
 	public boolean equals(Object obj) {
-		if(this == obj) return true;
-		if(obj == null) return false;
-		if(getClass() != obj.getClass()) return false;
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
 		ListDiceExpression other = (ListDiceExpression) obj;
-		if(list == null) {
-			if(other.list != null) return false;
-		} else if(!list.equals(other.list)) return false;
+		if (list == null) {
+			if (other.list != null)
+				return false;
+		} else if (!list.equals(other.list))
+			return false;
 		return true;
 	}
 }
diff --git a/dice/src/main/java/bjc/dicelang/dice/ScalarDiceExpression.java b/dice/src/main/java/bjc/dicelang/dice/ScalarDiceExpression.java
index 5f57979..5f71d35 100644
--- a/dice/src/main/java/bjc/dicelang/dice/ScalarDiceExpression.java
+++ b/dice/src/main/java/bjc/dicelang/dice/ScalarDiceExpression.java
@@ -1,11 +1,23 @@
 package bjc.dicelang.dice;
 
+/**
+ * Represents a scalar dice expression.
+ * 
+ * @author student
+ *
+ */
 public class ScalarDiceExpression implements DiceExpression {
 	/**
 	 * The scalar value in this expression, if there is one.
 	 */
 	public Die scalar;
 
+	/**
+	 * Create a new scalar dice expression.
+	 * 
+	 * @param scal
+	 *            The value of the expression.
+	 */
 	public ScalarDiceExpression(Die scal) {
 		scalar = scal;
 	}
@@ -25,13 +37,18 @@ public class ScalarDiceExpression implements DiceExpression {
 
 	@Override
 	public boolean equals(Object obj) {
-		if(this == obj) return true;
-		if(obj == null) return false;
-		if(getClass() != obj.getClass()) return false;
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
 		ScalarDiceExpression other = (ScalarDiceExpression) obj;
-		if(scalar == null) {
-			if(other.scalar != null) return false;
-		} else if(!scalar.equals(other.scalar)) return false;
+		if (scalar == null) {
+			if (other.scalar != null)
+				return false;
+		} else if (!scalar.equals(other.scalar))
+			return false;
 		return true;
 	}