Elimintated an extra line of code in factorial

Factorial.java

@@ -9,8 +9,7 @@ public class Factorial {
         BigInteger big = BigInteger.valueOf(1);
 
         for (int i = 1; i <= value; i++) {
-            BigInteger x = BigInteger.valueOf(i);
-            big = big.multiply(x);
+            big = big.multiply(BigInteger.valueOf(i));
         }
         
         return big;

package.bluej

@@ -11,22 +11,25 @@ dependency3.type=UsesDependency
 dependency4.from=IntegerPrinterTest
 dependency4.to=IntegerPrinter
 dependency4.type=UsesDependency
+dependency5.from=Main
+dependency5.to=ShortCalculator
+dependency5.type=UsesDependency
 editor.fx.0.height=0
 editor.fx.0.width=0
 editor.fx.0.x=0
 editor.fx.0.y=0
-objectbench.height=101
-objectbench.width=1070
-package.divider.horizontal=0.6
-package.divider.vertical=0.837593984962406
-package.editor.height=550
+objectbench.height=100
+objectbench.width=637
+package.divider.horizontal=0.5996275605214153
+package.divider.vertical=0.837386018237082
+package.editor.height=544
 package.editor.width=968
-package.editor.x=59
-package.editor.y=82
-package.frame.height=723
+package.editor.x=186
+package.editor.y=23
+package.frame.height=716
 package.frame.width=1094
-package.numDependencies=4
-package.numTargets=10
+package.numDependencies=5
+package.numTargets=11
 package.showExtends=true
 package.showUses=true
 project.charset=UTF-8
@@ -40,36 +43,43 @@ target1.name=Factorial
 target1.showInterface=false
 target1.type=ClassTarget
 target1.width=80
-target1.x=160
-target1.y=10
+target1.x=420
+target1.y=220
 target10.height=50
 target10.name=IntegerPrinterTest
 target10.showInterface=false
 target10.type=UnitTestTargetJunit4
 target10.width=140
-target10.x=10
-target10.y=370
+target10.x=30
+target10.y=430
+target11.height=50
+target11.name=Main
+target11.showInterface=false
+target11.type=ClassTarget
+target11.width=80
+target11.x=540
+target11.y=350
 target2.height=50
 target2.name=NormalizeAngle
 target2.showInterface=false
 target2.type=ClassTarget
 target2.width=120
-target2.x=70
-target2.y=70
+target2.x=100
+target2.y=60
 target3.height=50
 target3.name=IntegerPrinter
 target3.showInterface=false
 target3.type=ClassTarget
 target3.width=110
-target3.x=10
-target3.y=130
+target3.x=140
+target3.y=450
 target4.height=50
 target4.name=ShortCalculator
 target4.showInterface=false
 target4.type=ClassTarget
 target4.width=120
-target4.x=130
-target4.y=130
+target4.x=430
+target4.y=420
 target5.height=50
 target5.name=LargestInteger
 target5.showInterface=false
@@ -82,22 +92,22 @@ target6.name=LargestIntegerTest
 target6.showInterface=false
 target6.type=UnitTestTargetJunit4
 target6.width=140
-target6.x=250
-target6.y=190
+target6.x=30
+target6.y=250
 target7.height=50
 target7.name=ShortCalculatorTest
 target7.showInterface=false
 target7.type=ClassTarget
 target7.width=150
-target7.x=10
-target7.y=250
+target7.x=590
+target7.y=430
 target8.height=50
 target8.name=NormalizeAngleTest
 target8.showInterface=false
 target8.type=UnitTestTargetJunit4
 target8.width=150
-target8.x=10
-target8.y=310
+target8.x=30
+target8.y=100
 target9.height=50
 target9.name=FactorialTest
 target9.showInterface=false