Programming Cliff

import java.awt.*; import java.awt.event.*; import java.applet.*; public class Smile extends Applet {     public void paint(Graphics g)     {         setBackground(Color.BLACK);         g.setColor(Color.YELLOW);         g.fillOval(30,50,100, 100);         g.setColor(Color.BLACK);         g.fillOval(55,75,10, 10);         g.fillOval(95,75,10, 10);         g.drawArc(60, 85, 40,40,-30,-120);     }     } /* <applet code="Smile.class" width="200" height="200"> </applet> */ OUTPUT:

class HcfLcm {     public static void main(String[] args)     {         int n,x;         System.out.println("Number of integers: ");          n = Integer.parseInt(System.console().readLine());          if(n<1)          {              System.out.print("Invalid input!");              System.exit(0);          }           int[] arr = new int[n];           for(int i =0; i<n; i++)           {               System.out.print("Number "+(i+1)+":");       ...