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				@@ -88,9 +88,9 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils { 
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				      * @param coll 要判断的Collection 
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				      * @return true:为空 false:非空 
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				      */ 
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				-//    public static boolean isEmpty(Collection<?> coll) { 
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				-//        return isNull(coll) || coll.isEmpty(); 
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				-//    } 
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				+    public static boolean isEmpty(Collection<?> coll) { 
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				+        return isNull(coll) || coll.isEmpty(); 
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				+    } 
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				     /** 
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				      * * 判断一个Collection是否非空,包含List,Set,Queue 
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				@@ -108,9 +108,9 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils { 
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				      * @param objects 要判断的对象数组 
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				      *                * @return true:为空 false:非空 
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				      */ 
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				-//    public static boolean isEmpty(Object[] objects) { 
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				-//        return isNull(objects) || (objects.length == 0); 
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				-//    } 
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				+    public static boolean isEmpty(Object[] objects) { 
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				+        return isNull(objects) || (objects.length == 0); 
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				+    } 
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				     /** 
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				      * * 判断一个对象数组是否非空 
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				@@ -128,9 +128,9 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils { 
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				      * @param map 要判断的Map 
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				      * @return true:为空 false:非空 
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				      */ 
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				-//    public static boolean isEmpty(Map<?, ?> map) { 
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				-//        return isNull(map) || map.isEmpty(); 
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				-//    } 
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				+    public static boolean isEmpty(Map<?, ?> map) { 
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				+        return isNull(map) || map.isEmpty(); 
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				+    } 
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				     /** 
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				      * * 判断一个Map是否为空 
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				@@ -148,9 +148,9 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils { 
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				      * @param str String 
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				      * @return true:为空 false:非空 
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				      */ 
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				-//    public static boolean isEmpty(String str) { 
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				-//        return isNull(str) || NULLSTR.equals(str.trim()); 
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				-//    } 
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				+    public static boolean isEmpty(String str) { 
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				+        return isNull(str) || NULLSTR.equals(str.trim()); 
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				+    } 
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				     /** 
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				      * * 判断一个字符串是否为非空串 
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