3:20 pm - Monday September 25, 2017

Check whether a given string is empty boolean isEmpty()

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                                This method return true or false value. If the string variable contains any string value it return false,Otherwise it return true(If the input is empty). To return true or false value mention the method modifier as boolean.

Example Program

    public class Empty {

    public static void main(String args[])

        {

          String s1="Java String Handling Functions";

          System.out.println("String is:"+s1+"\n");

          System.out.println("Length of the string:"+s1.length()+"\n");

          System.out.println("Is the string Empty:"+s1.isEmpty());

        }

  }

Output

       String is:Java String Handling Functions

       Length of the string:30

       Is the string Empty:false

Description

                          Here the given string is “Java String Handling Functions”. If the length of the given string is 0 means it returns true,otherwise it return false. In the above program, length of the given string is 30 so it return false.

Filed in: Java Examples

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