Cleans up some checkstyle and java errors.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/de/fhswf/in/inf/java1/aufgabe13/BinaryOperatorTests.java b/src/de/fhswf/in/inf/java1/aufgabe13/BinaryOperatorTests.java
index 14c0b90..238c865 100644
--- a/src/de/fhswf/in/inf/java1/aufgabe13/BinaryOperatorTests.java
+++ b/src/de/fhswf/in/inf/java1/aufgabe13/BinaryOperatorTests.java
@@ -76,7 +76,8 @@ public class BinaryOperatorTests
       // Test
       Stack<Double> test = new Stack<>();
 
-      test.add(3.0);
+      final double firstOperator = 3.0;
+      test.add(firstOperator);
       test.add(2.0);
       tester.eval(test);
 
@@ -135,7 +136,7 @@ public class BinaryOperatorTests
       Stack<Double> test = new Stack<>();
 
       final double exponent = 3.0;
-      
+
       test.add(2.0);
       test.add(exponent);
       tester.eval(test);