StringUtils.isNotBlank

• StringUtils.isNotBlank("vaiable") function return false for null,Empty and whitespace string.
• Where as StringUtils.isNotEmpty("variable") function return true for whiteSpace string.
• This function is null safe.
• You can use this method with the help of commons-lang-2.6.jar.
• You can download this jar by using the below link.

         http://mvnrepository.com/artifact/commons-lang/commons-lang/2.6

1.  package com.utilitySample;
2.  import org.apache.commons.lang.StringUtils;
3. 
   
4.  public class StringUtility {
5. public static void main(String[] args) {
6.    System.out.println(StringUtils.isNotBlank(null));
7. System.out.println(StringUtils.isNotBlank(""));
8. System.out.println(StringUtils.isNotBlank(" "));
9. System.out.println(StringUtils.isNotBlank("vel"));
10. System.out.println(StringUtils.isNotBlank("  vel  "));
11.    }
12.  }

 Output : 

 false

 false

 false

 true

 true