public static boolean isInterface(int mod)

// Java program to illustrate isInterface() method
  
import java.lang.reflect.Modifier;
  
public class GFG {
  
    public static void main(String[] args)
        throws NoSuchFieldException
    {
  
        // get Modifier Integer value
        int mod = Symbols.class.getModifiers();
  
        // check Modifier is interface or not
        boolean result = Modifier.isInterface(mod);
  
        System.out.println("Mod integer value "
                           + mod + " is interface : "
                           + result);
    }
  
    interface Symbols {
        void createSynbols();
    }
}

Mod integer value 1544 is interface : true

// Java program to illustrate isInterface()
  
import java.lang.reflect.Modifier;
  
public class GFG {
  
    public static void main(String[] args)
        throws NoSuchFieldException
    {
  
        // get Modifier Integer value
        int mod = Calculator.class.getModifiers();
  
        // check Modifier is Interface or not
        boolean result = Modifier.isInterface(mod);
  
        System.out.println("Mod integer value "
                           + mod + " is Interface : "
                           + result);
    }
  
    abstract class Calculator {
        abstract void addNumbers();
    }
}

Mod integer value 1024 is Interface : false