统一工具类命名规则。

src/main/java/xyz/zhouxy/plusone/commons/util/ConcurrentHashMapTools.java

@@ -24,7 +24,7 @@ import xyz.zhouxy.plusone.commons.base.JRE;
 import xyz.zhouxy.plusone.commons.collection.SafeConcurrentHashMap;
 
 /**
- * ConcurrentHashMapUtil
+ * ConcurrentHashMapTools
  *
  * <p>
  * Java 8 的 {@link ConcurrentHashMap#computeIfAbsent(Object, Function)} 方法有 bug，
@@ -38,9 +38,10 @@ import xyz.zhouxy.plusone.commons.collection.SafeConcurrentHashMap;
  * @see ConcurrentHashMap
  * @see SafeConcurrentHashMap
  */
-public class ConcurrentHashMapUtil {
+public class ConcurrentHashMapTools {
 
-    public static <K, V> V computeIfAbsent(ConcurrentHashMap<K, V> map, final K key,
+    public static <K, V> V computeIfAbsent(
+            ConcurrentHashMap<K, V> map, final K key, // NOSONAR
             final Function<? super K, ? extends V> mappingFunction) {
         Objects.requireNonNull(map, "map");
         return JRE.isJava8()
@@ -48,7 +49,8 @@ public class ConcurrentHashMapUtil {
                 : map.computeIfAbsent(key, mappingFunction);
     }
 
-    public static <K, V> V computeIfAbsentForJava8(ConcurrentHashMap<K, V> map, final K key,
+    public static <K, V> V computeIfAbsentForJava8(
+            ConcurrentHashMap<K, V> map, final K key, // NOSONAR
             final Function<? super K, ? extends V> mappingFunction) {
         Objects.requireNonNull(key);
         Objects.requireNonNull(mappingFunction);
@@ -66,7 +68,7 @@ public class ConcurrentHashMapUtil {
         return v;
     }
 
-    private ConcurrentHashMapUtil() {
+    private ConcurrentHashMapTools() {
         throw new IllegalStateException("Utility class");
     }
 }

src/main/java/xyz/zhouxy/plusone/commons/util/DateTimeTools.java

@@ -20,7 +20,7 @@ import xyz.zhouxy.plusone.commons.collection.SafeConcurrentHashMap;
 
 import xyz.zhouxy.plusone.commons.collection.MapWrapper;
 
-public class DateTimeUtil {
+public class DateTimeTools {
 
     private static final MapWrapper<String, DateTimeFormatter> DATE_TIME_FORMATTER_CACHE = MapWrapper
             .<String, DateTimeFormatter>wrap(new SafeConcurrentHashMap<>())
@@ -325,7 +325,7 @@ public class DateTimeUtil {
         return org.joda.time.DateTimeZone.forID(zone.getId());
     }
 
-    private DateTimeUtil() {
+    private DateTimeTools() {
         throw new IllegalStateException("Utility class");
     }
 }

src/main/java/xyz/zhouxy/plusone/commons/util/EnumTools.java

@@ -27,9 +27,9 @@ import com.google.common.base.Preconditions;
  *
  * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
  */
-public final class EnumUtil {
+public final class EnumTools {
 
-    private EnumUtil() {
+    private EnumTools() {
         throw new IllegalStateException("Utility class");
     }
 

src/main/java/xyz/zhouxy/plusone/commons/util/Numbers.java

@@ -17,7 +17,7 @@
 package xyz.zhouxy.plusone.commons.util;
 
 /**
- * NumberUtil
+ * Numbers
  *
  * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
  */

src/main/java/xyz/zhouxy/plusone/commons/util/OptionalTools.java

@@ -38,7 +38,7 @@ import com.google.common.annotations.Beta;
  * @see OptionalLong
  * @see OptionalDouble
  */
-public class OptionalUtil {
+public class OptionalTools {
 
     /**
      * 将包装类 {@link Integer} 转为 {@link OptionalInt}（not null）。
@@ -149,7 +149,7 @@ public class OptionalUtil {
         return optionalObj.isPresent() ? optionalObj.getAsDouble() : null;
     }
 
-    private OptionalUtil() {
+    private OptionalTools() {
         throw new IllegalStateException("Utility class");
     }
 }

src/main/java/xyz/zhouxy/plusone/commons/util/RandomTools.java

@@ -2,8 +2,8 @@ package xyz.zhouxy.plusone.commons.util;
 
 import java.security.SecureRandom;
 
-public final class RandomUtil {
-    private RandomUtil() {
+public final class RandomTools {
+    private RandomTools() {
         throw new IllegalStateException("Utility class");
     }
 

src/main/java/xyz/zhouxy/plusone/commons/util/RegexTools.java

@@ -35,7 +35,7 @@ import xyz.zhouxy.plusone.commons.collection.SafeConcurrentHashMap;
  * @author ZhouXY
  *
  */
-public final class RegexUtil {
+public final class RegexTools {
 
     private static final int DEFAULT_CACHE_INITIAL_CAPACITY = 64;
     private static final int MAX_CACHE_SIZE = 256;
@@ -330,7 +330,7 @@ public final class RegexUtil {
     @Nonnull
     private static Pattern[] getAndCachePatternsInternal(@Nonnull final String[] patterns) {
         return Arrays.stream(patterns)
-                .map(RegexUtil::getAndCachePatternInternal)
+                .map(RegexTools::getAndCachePatternInternal)
                 .toArray(Pattern[]::new);
     }
 
@@ -344,7 +344,7 @@ public final class RegexUtil {
     @Nonnull
     private static Pattern[] getPatternsInternal(@Nonnull final String[] patterns) {
         return Arrays.stream(patterns)
-                .map(RegexUtil::getPatternInternal)
+                .map(RegexTools::getPatternInternal)
                 .toArray(Pattern[]::new);
     }
 
@@ -389,7 +389,7 @@ public final class RegexUtil {
         return Arrays.stream(array).allMatch(Objects::nonNull);
     }
 
-    private RegexUtil() {
+    private RegexTools() {
         // 不允许实例化
         throw new IllegalStateException("Utility class");
     }