Question

Create a short program that demonstrates one of the functions shown below:

Date class: long getTime()

Random class: set the seed and generate a random number

Date class: toString()

Date class: compareTo()

Point 2D class: distance()

String class: replace

String class: split

String class: match

StringBuilder class: append

StringBuilder class: insert

StringBuilder class: reverse

StringBuilder class: replace

StringBuilder class: substring

Answer 1

import java.util.Date;
import java.util.Random;

public class Demonstrate {

    public static void main(String[] args) {
        Date date = new Date();
        System.out.println("Time is " + date.getTime() + " milli-seconds");
        Random random = new Random();
        random.setSeed(10); // set random seed
        System.out.println("Current time is " + date.toString());
    }
}