Don't initialize an instance variable to its default value

src/test/java/org/apache/commons/beanutils2/BasicDynaBeanTestCase.java

@@ -60,7 +60,7 @@ public static Test suite() {
     /**
      * The basic test bean for each test.
      */
-    protected DynaBean bean = null;
+    protected DynaBean bean;
 
     /**
      * Constructs a new instance of this test case.

src/test/java/org/apache/commons/beanutils2/BeanComparatorTestCase.java

@@ -35,10 +35,10 @@ public static Test suite() {
     /**
      * The test beans for each test.
      */
-    protected TestBean bean = null;
-    protected AlphaBean alphaBean1 = null;
+    protected TestBean bean;
+    protected AlphaBean alphaBean1;
 
-    protected AlphaBean alphaBean2 = null;
+    protected AlphaBean alphaBean2;
 
     /**
      * Constructs a new instance of this test case.

src/test/java/org/apache/commons/beanutils2/BeanUtilsBeanTestCase.java

@@ -90,7 +90,7 @@ public static Test suite() {
     /**
      * The test bean for each test.
      */
-    protected TestBean bean = null;
+    protected TestBean bean;
 
     /**
      * The set of properties that should be described.

src/test/java/org/apache/commons/beanutils2/BeanUtilsBenchCase.java

@@ -42,20 +42,20 @@ public static Test suite() {
     private long counter = 100000;
 
     // DynaClass for inDyna and outDyna
-    private DynaClass dynaClass = null;
+    private DynaClass dynaClass;
 
     // Input objects that have identical sets of properties and values.
-    private BenchBean inBean = null;
-    private DynaBean inDyna = null;
+    private BenchBean inBean;
+    private DynaBean inDyna;
     private Map<String, Object> inMap = null; // Map of Objects requiring no conversion
     private Map<String, String> inStrs = null; // Map of Strings requiring conversion
 
     // Output objects that have identical sets of properties.
-    private BenchBean outBean = null;
-    private DynaBean outDyna = null;
+    private BenchBean outBean;
+    private DynaBean outDyna;
 
     // BeanUtilsBean instance to be used
-    private BeanUtilsBean bu = null;
+    private BeanUtilsBean bu;
 
     /**
      * Constructs a new instance of this test case.

src/test/java/org/apache/commons/beanutils2/BeanificationTestCase.java

@@ -37,7 +37,7 @@ public class BeanificationTestCase extends TestCase {
 
     class Signal {
         private Exception e;
-        private int signal = 0;
+        private int signal;
         private BeanUtilsBean bean;
         private PropertyUtilsBean propertyUtils;
         private ConvertUtilsBean convertUtils;

src/test/java/org/apache/commons/beanutils2/DynaBeanUtilsTestCase.java

@@ -67,12 +67,12 @@ public static Test suite() {
     /**
      * The basic test bean for each test.
      */
-    protected DynaBean bean = null;
+    protected DynaBean bean;
 
     /**
      * The nested bean pointed at by the "nested" property.
      */
-    protected TestBean nested = null;
+    protected TestBean nested;
 
     /**
      * The set of properties that should be described.

src/test/java/org/apache/commons/beanutils2/DynaPropertyUtilsTestCase.java

@@ -46,7 +46,7 @@ public static Test suite() {
     /**
      * The basic test bean for each test.
      */
-    protected DynaBean bean = null;
+    protected DynaBean bean;
 
     /**
      * The set of properties that should be described.
@@ -59,7 +59,7 @@ public static Test suite() {
     /**
      * The nested bean pointed at by the "nested" property.
      */
-    protected TestBean nested = null;
+    protected TestBean nested;
 
     /**
      * Constructs a new instance of this test case.

src/test/java/org/apache/commons/beanutils2/IndexedPropertyTestCase.java

@@ -43,7 +43,7 @@ public class IndexedPropertyTestCase {
     /**
      * The test bean for each test.
      */
-    private IndexedTestBean bean = null;
+    private IndexedTestBean bean;
     private BeanUtilsBean beanUtilsBean;
     private PropertyUtilsBean propertyUtilsBean;
     private String[] testArray;

src/test/java/org/apache/commons/beanutils2/LazyDynaBeanTestCase.java

@@ -46,8 +46,8 @@ public static void main(final String[] args) {
     public static Test suite() {
         return new TestSuite(LazyDynaBeanTestCase.class);
     }
-    protected LazyDynaBean bean = null;
-    protected LazyDynaClass dynaClass = null;
+    protected LazyDynaBean bean;
+    protected LazyDynaClass dynaClass;
     protected String testProperty = "myProperty";
     protected String testPropertyA = "myProperty-A";
     protected String testPropertyB = "myProperty-B";

src/test/java/org/apache/commons/beanutils2/LazyDynaClassTestCase.java

@@ -41,7 +41,7 @@ public static Test suite() {
         return new TestSuite(LazyDynaClassTestCase.class);
     }
 
-    protected LazyDynaClass dynaClass = null;
+    protected LazyDynaClass dynaClass;
 
     protected String testProperty = "myProperty";
 

src/test/java/org/apache/commons/beanutils2/LazyDynaMapTestCase.java

@@ -48,7 +48,7 @@ public static void main(final String[] args) {
     public static Test suite() {
         return new TestSuite(LazyDynaMapTestCase.class);
     }
-    protected LazyDynaMap dynaMap = null;
+    protected LazyDynaMap dynaMap;
     protected String testProperty = "myProperty";
     protected String testPropertyA = "myProperty-A";
     protected String testPropertyB = "myProperty-B";

src/test/java/org/apache/commons/beanutils2/NestedTestBean.java

@@ -28,7 +28,7 @@ public class NestedTestBean {
 
     private String testString = "NOT SET";
 
-    private boolean testBoolean = false;
+    private boolean testBoolean;
 
     private NestedTestBean[] indexedBeans;
 

src/test/java/org/apache/commons/beanutils2/PropertyUtilsBenchCase.java

@@ -44,19 +44,19 @@ public static Test suite() {
     private long counter = 100000;
 
     // DynaClass for inDyna and outDyna
-    private DynaClass dynaClass = null;
+    private DynaClass dynaClass;
 
     // Input objects that have identical sets of properties and values.
-    private BenchBean inBean = null;
-    private DynaBean inDyna = null;
+    private BenchBean inBean;
+    private DynaBean inDyna;
     private Map<String, Object> inMap = null;
 
     // Output objects that have identical sets of properties.
-    private BenchBean outBean = null;
-    private DynaBean outDyna = null;
+    private BenchBean outBean;
+    private DynaBean outDyna;
 
     // PropertyUtilsBean instance to be used
-    private PropertyUtilsBean pu = null;
+    private PropertyUtilsBean pu;
 
     /**
      * Constructs a new instance of this test case.

src/test/java/org/apache/commons/beanutils2/PropertyUtilsTestCase.java

@@ -118,27 +118,27 @@ public static Test suite() {
     /**
      * The basic test bean for each test.
      */
-    protected TestBean bean = null;
+    protected TestBean bean;
 
     /**
      * The "package private subclass" test bean for each test.
      */
-    protected TestBeanPackageSubclass beanPackageSubclass = null;
+    protected TestBeanPackageSubclass beanPackageSubclass;
 
     /**
      * The test bean for private access tests.
      */
-    protected PrivateDirect beanPrivate = null;
+    protected PrivateDirect beanPrivate;
 
     /**
      * The test bean for private access tests of subclasses.
      */
-    protected PrivateDirect beanPrivateSubclass = null;
+    protected PrivateDirect beanPrivateSubclass;
 
     /**
      * The "public subclass" test bean for each test.
      */
-    protected TestBeanPublicSubclass beanPublicSubclass = null;
+    protected TestBeanPublicSubclass beanPublicSubclass;
 
     /**
      * The set of properties that should be described.

src/test/java/org/apache/commons/beanutils2/TestBean.java

@@ -171,24 +171,24 @@ public static void incrementCounter(final Number amount) {
     /**
      * A nested reference to another test bean (populated as needed).
      */
-    private TestBean nested = null;
+    private TestBean nested;
 
     /**
      * Another nested reference to another test bean,
      */
-    private TestBean anotherNested = null;
+    private TestBean anotherNested;
 
     /**
      * Another nested reference to another test bean,
      */
-    private DynaBean nestedDynaBean = null;
+    private DynaBean nestedDynaBean;
 
-    private MappedTestBean mappedNested = null;
+    private MappedTestBean mappedNested;
 
     /**
      * A String property with an initial value of null.
      */
-    private String nullProperty = null;
+    private String nullProperty;
 
     /**
      * A read-only String property.
@@ -228,7 +228,7 @@ public static void incrementCounter(final Number amount) {
      * described in the JavaBeans Specification, this will be considered a read-only boolean property, using isInvalidBoolean() as the getter.
      * </p>
      */
-    private boolean invalidBoolean = false;
+    private boolean invalidBoolean;
 
     public TestBean() {
         listIndexed.add("String 0");

src/test/java/org/apache/commons/beanutils2/bugs/Jira411TestCase.java

@@ -29,7 +29,7 @@ public class Jira411TestCase extends TestCase {
 
     public class DummyBean {
 
-        private String imgLink = null;
+        private String imgLink;
 
         public String getImgLink() {
             return imgLink;

src/test/java/org/apache/commons/beanutils2/locale/LocaleBeanificationTestCase.java

@@ -49,7 +49,7 @@ public class LocaleBeanificationTestCase {
 
     class Signal {
         private Exception e;
-        private int signal = 0;
+        private int signal;
         private LocaleBeanUtilsBean bean;
         private LocaleConvertUtilsBean convertUtils;
         private Object marker;

src/test/java/org/apache/commons/beanutils2/sql/DynaResultSetTestCase.java

@@ -46,7 +46,7 @@ public static Test suite() {
     /**
      * The mock result set DynaClass to be tested.
      */
-    protected ResultSetDynaClass dynaClass = null;
+    protected ResultSetDynaClass dynaClass;
 
     /**
      * Names of the columns for this test. Must match the order they are defined in {@link TestResultSetMetaData}, and must be all lower case.

src/test/java/org/apache/commons/beanutils2/sql/DynaRowSetTestCase.java

@@ -113,7 +113,7 @@ public static Test suite() {
     /**
      * The mock result set DynaClass to be tested.
      */
-    protected RowSetDynaClass dynaClass = null;
+    protected RowSetDynaClass dynaClass;
 
     /**
      * Names of the columns for this test. Must match the order they are defined in {@link TestResultSetMetaData}, and must be all lower case.

src/test/java/org/apache/commons/beanutils2/sql/TestResultSet.java

@@ -72,7 +72,7 @@ public static ResultSet createProxy(final InvocationHandler invocationHandler) {
     /**
      * Current row number (0 means "before the first one").
      */
-    protected int row = 0;
+    protected int row;
 
     /**
      * The constant (per run) value used to initialize date/time/timestamp.