Checkstyle fixes

Author: jodastephen

src/main/java/org/threeten/extra/OffsetDate.java

@@ -405,6 +405,7 @@ public boolean isSupported(TemporalField field) {
      * @param unit  the unit to check, null returns false
      * @return true if the unit can be added/subtracted, false if not
      */
+    @Override
     public boolean isSupported(TemporalUnit unit) {
         if (unit instanceof ChronoUnit) {
             return unit.isDateBased();

src/test/java/org/threeten/extra/TestHours.java

@@ -447,7 +447,7 @@ public void test_equals_null() {
     @Test
     public void test_equals_otherClass() {
         Hours test5 = Hours.of(5);
-        assertEquals(false, test5.equals(""));
+        assertEquals(false, test5.equals((Object) ""));
     }
 
     //-----------------------------------------------------------------------

src/test/java/org/threeten/extra/TestInterval.java

@@ -720,7 +720,7 @@ public void test_equals() {
         assertEquals(false, a.equals(b));
         assertEquals(false, a.equals(c));
         assertEquals(false, a.equals(null));
-        assertEquals(false, a.equals(""));
+        assertEquals(false, a.equals((Object) ""));
         assertEquals(true, a.hashCode() == a2.hashCode());
     }
 

src/test/java/org/threeten/extra/TestLocalDateRange.java

@@ -1206,7 +1206,7 @@ public void test_equals() {
         assertEquals(false, a.equals(b));
         assertEquals(false, a.equals(c));
         assertEquals(false, a.equals(null));
-        assertEquals(false, a.equals(""));
+        assertEquals(false, a.equals((Object) ""));
         assertEquals(true, a.hashCode() == a2.hashCode());
     }
 

src/test/java/org/threeten/extra/TestMinutes.java

@@ -461,7 +461,7 @@ public void test_equals_null() {
     @Test
     public void test_equals_otherClass() {
         Minutes test5 = Minutes.of(5);
-        assertEquals(false, test5.equals(""));
+        assertEquals(false, test5.equals((Object) ""));
     }
 
     //-----------------------------------------------------------------------

src/test/java/org/threeten/extra/TestOffsetDate.java

@@ -1929,7 +1929,7 @@ public void test_equals_itself_true() {
 
     @Test
     public void test_equals_string_false() {
-        assertFalse(TEST_2007_07_15_PONE.equals("2007-07-15"));
+        assertFalse(TEST_2007_07_15_PONE.equals((Object) "2007-07-15"));
     }
 
     //-----------------------------------------------------------------------

src/test/java/org/threeten/extra/TestPeriodDuration.java

@@ -402,7 +402,7 @@ public void test_equals_null() {
     @Test
     public void test_equals_otherClass() {
         PeriodDuration test = PeriodDuration.of(P1Y2M3D, DUR_5);
-        assertEquals(false, test.equals(""));
+        assertEquals(false, test.equals((Object) ""));
     }
 
     //-----------------------------------------------------------------------

src/test/java/org/threeten/extra/TestSeconds.java

@@ -493,7 +493,7 @@ public void test_equals_null() {
     @Test
     public void test_equals_otherClass() {
         Seconds test5 = Seconds.of(5);
-        assertEquals(false, test5.equals(""));
+        assertEquals(false, test5.equals((Object) ""));
     }
 
     //-----------------------------------------------------------------------

src/test/java/org/threeten/extra/TestYearQuarter.java

@@ -995,7 +995,7 @@ public void test_equals_nullYearQuarter() {
 
     @Test
     public void test_equals_incorrectType() {
-        assertEquals(false, TEST.equals("Incorrect type"));
+        assertEquals(false, TEST.equals((Object) "Incorrect type"));
     }
 
     //-----------------------------------------------------------------------

src/test/java/org/threeten/extra/TestYearWeek.java

@@ -105,7 +105,6 @@
 import java.time.temporal.TemporalAdjusters;
 import java.time.temporal.TemporalField;
 import java.time.temporal.TemporalQueries;
-import java.time.temporal.TemporalUnit;
 import java.time.temporal.UnsupportedTemporalTypeException;
 import java.time.temporal.ValueRange;
 import java.util.Locale;
@@ -1082,7 +1081,7 @@ public void test_equals() {
     @Test
     public void test_equals_incorrectType() {
         assertTrue(TEST.equals(null) == false);
-        assertEquals(false, TEST.equals("Incorrect type"));
+        assertEquals(false, TEST.equals((Object) "Incorrect type"));
     }
 
     //-----------------------------------------------------------------------