Day 5 task recap

package mng2023b11;

public class Day05A {
    public static void main(String args[]) {
        String name = "Terry";
        String hobby = "plastic model making";
        byte age = 12;
        System.out.print("Good day I’m " + name);
        System.out.println(" age " + age);
        System.out.println("My hobbies are " + hobby);
        System.out.println("---*-----*-----*---");

        //-----------------------------
        int num1 = 42;
        int num2 = 33;
        double num3 = 12.89;
        double num4 = 45;
        int result1 = 0;
        double result2 = 0;
        result1 = num1 + num2;
        System.out.println(num1 + " + " + num2 + " = " + result1);
        result1 = num1 - num2;
        System.out.println(num1 + " - " + num2 + " = " + result1);
        result1 = num1 % num2;
        System.out.println("The remainder of " + num1 + " / " + num2
                            + " is " + result1);
        result2 = num3 * num4;
        System.out.println(num1 + " * " + num2 + " = " + result2);
        result2 = num3 / num4;
        System.out.println(num1 + " / " + num2 + " = " + result2);
        System.out.println("---*-----*-----*---");

        //-----------------------------
        double radius;
        double circumference;
        double area;

        radius = 4;
        circumference = 2 * Math.PI * radius;
        area = Math.PI * radius * radius;

        System.out.println("circle radius: " + radius);
        System.out.println("circumference: " + circumference);
        System.out.println("area: " + area);
        System.out.println("---*- printf alter -*---");
        System.out.printf("circumference: %-10.4f", circumference);
    }
}