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Check the Empty String in Java

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check-empty-string-e

import org.apache.commons.lang.StringUtils;
public class CheckEmptyStringExample
{
public static void main(String[] args)
{
String string1 = "";
String string2 = "\t\r\n";
String string3 = " ";
String string4 = null;
String string5 = "Hi";
System.out.println("\nString one is empty? " +
StringUtils.isBlank(string1));
System.out.println("String one is not empty? " +
StringUtils.isNotBlank(string1));
System.out.println("\nString two is empty? " +
StringUtils.isBlank(string2));
System.out.println("String two is not empty?" +
StringUtils.isNotBlank(string2));
System.out.println("\nString three is empty?" +
StringUtils.isBlank(string3));
System.out.println("String three is not empty?" +
StringUtils.isNotBlank(string3));
System.out.println("\nString four is empty?" +
StringUtils.isBlank(string4));
System.out.println("String four is not empty?" +
StringUtils.isNotBlank(string4));
System.out.println("\nString five is empty?" +
StringUtils.isBlank(string5));
System.out.println("String five is not empty?" +
StringUtils.isNotBlank(string5));
}
}