what is max_value in java code example

Example 1: java max int value

public class Test
{
   public static void main(String[] args)
   {
     System.out.println(Integer.MIN_VALUE);
     System.out.println(Integer.MAX_VALUE);
     System.out.println(Integer.MIN_VALUE - 1);
     System.out.println(Integer.MAX_VALUE + 1);
   }
}

Example 2: java max

public class Test { 

   public static void main(String args[]) {
      System.out.println(Math.max(12.123, 12.456));      
      System.out.println(Math.max(23.12, 23.0));  
   }
}