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@ -19,7 +19,8 @@ public class StringUtil { |
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* @return |
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* @return |
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*/ |
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*/ |
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public static boolean isEqual(String str1,String str2){ |
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public static boolean isEqual(String str1,String str2){ |
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if (isNull(str1)||isNull(str2)){ |
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if (isEmpty(str1)||isEmpty(str2)){ |
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return false; |
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return false; |
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} |
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} |
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return str1.equals(str2); |
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return str1.equals(str2); |
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@ -30,15 +31,9 @@ public class StringUtil { |
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* @param str1 |
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* @param str1 |
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* @return 为空返回true |
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* @return 为空返回true |
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*/ |
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*/ |
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public static boolean isNull(String str1){ |
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public static boolean isEmpty(String str1){ |
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if (str1==null){ |
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return str1==null||str1.length()==0; |
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return true; |
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} |
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if (str1 == ""||"".equals(str1)){ |
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return true; |
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} |
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return false; |
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} |
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} |
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/** |
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/** |
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@ -48,7 +43,7 @@ public class StringUtil { |
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*/ |
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*/ |
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public static boolean isNotNull(String str1){ |
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public static boolean isNotNull(String str1){ |
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return !isNull(str1); |
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return !isEmpty(str1); |
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} |
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} |
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/** |
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/** |
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@ -143,5 +138,12 @@ public class StringUtil { |
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return null; |
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return null; |
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} |
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} |
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public static void main(String[] args) { |
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String text = "你好[xxxxx]"; |
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System.out.println(text.indexOf("[")); |
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} |
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} |
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} |
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