how to use getter and setter in java public function code example

Example 1: what is static setter and getter examples in java

public class DataHolder
{
   private static String dataString;

   public static String getDataString
   {
      return dataString;
   }

   public static void setString(String dataString)
   {
      this.dataString = dataString;
   }
}

Example 2: what is static setter and getter examples in java

public class DataHolder
{
   public static String dataString;
}