how to mget the max of two numbers in java code example

Example: how to do the maximum of three numbers in java

public class Example {
   public static void main(String args[]) {
      int num1 = 15;
      int num2 = -5;
      int num3 = 7;
      if (num1 >= num2 && num1 >= num3)
         System.out.println( num1 + " is the maximum number.");
      else if (num2 >= num1 && num2 >= num3)
         System.out.println( num2 + " is the maximum number.");
      else
         System.out.println( num3 + " is the maximum number.");
   }
}