Check out example codes for "islowercase java". It will help you in understanding the concepts better.

Code Example 1

// check lowercase or not in java..

public class Test {

   public static void main(String args[]) {
      System.out.println(Character.isLowerCase('c')); //true
      System.out.println(Character.isLowerCase('C')); //false
      System.out.println(Character.isLowerCase('\n')); //false
      System.out.println(Character.isLowerCase('\t')); //false
   }
}

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