In this article we will learn to implement a C program for strong number. A C program is provided below to check whether the given number is strong number or not. Examples of strong numbers: 1, 2, 145, etc. Program is as follows: #include<stdio.h> int fact(int n) { if(n==0 || n==1) return 1; […]
In this article we will learn to implement a C program for perfect number. A C program is provided below to check whether the given number is a perfect number or not. Examples of perfect numbers are: 6, 28, 496, etc. Program is as follows: #include<stdio.h> int main() { int n; printf("Enter a […]
This is a C program to print prime numbers using Sieve of Eratosthenes, which is said to be the most efficient algorithm for generating prime numbers. The program is as follows: #include<stdio.h> int main() { int n; printf("Enter n value: "); scanf("%d", &n); int prime[n+1]; //Loading the array with numbers from 1 to n […]
In this article we will learn to implement a C program to find the GCD of given two numbers. A C program is provided below to find the GCD of given two integers. There is a restriction on the input. First number given as input must be greater than the second number. Example […]
In this article we will learn to implement an Applet program to handle mouse events. A Java applet program is provided below to handle various mouse events. Program is as follows: import java.applet.*; import java.awt.*; import java.awt.event.*; public class MouseApplet extends Applet implements MouseListener { String msg="Initial Message"; public void init() { addMouseListener(this); } […]
In this article we will implement an Applet program to draw a line, oval and rectangle. An Applet program is provided below to draw lines, ovals, and rectangles. import java.applet.*; import java.awt.*; public class GApplet extends Applet { public void paint(Graphics g) { g.drawLine(20, 20, 500, 20); g.drawRect(20, 40, 200, 40); g.fillRect(300, 40, 200, […]
In this article we will learn to implement a Java Applet program to display file content. An Applet program is provided below that displays the content of the file whose name and extension is sample.txt. Program is as follows: import java.applet.*; import java.awt.*; import java.io.*; public class MyApplet extends Applet { public void paint(Graphics […]
In this article we will learn to implement a Java program to display the number of characters lines and words in a text file. A Java program is provided below that displays the number of characters, lines and words in a text file. import java.io.*; class FileDemo { public static void main(String args[]) { […]
In this article we will learn to implement a Java program for displaying file information. A Java program is provided below which takes file name as input and displays its contents. Java program that reads a file name from the user and then displays information about whether the file exists, whether the file is […]
In this article we will learn to implement a Java program to display integers and their sum using StringTokenizer. A Java program is provided below which uses StringTokenizer class, reads a line of integers and then displays each integer and the sum of all integers. Program is as follows: import java.util.*; class StringTokenDemo { […]