touppercase and tolowercase in java code example

Example 1: String toUpperCase() method in java

// java program to convert string into uppercase
public class StringToUppercaseDemo
{
   public static void main(String[] args)
   {
      String str = "flower brackets";
      System.out.println(str.toUpperCase());
   }
}

Example 2: java lower case to upper case

toUpperCase()