Java Program to Check Armstrong Number

public class JavaEx { public static void main(String[] args) { int num = 370, number, temp, total = 0; number = num; while (number != 0) { temp = number % 10; total = total + temp*temp*temp; number /= 10; } if(total == num) System.out.println(num + ” is an Armstrong number”); else System.out.println(num + ” … Read more

Java Program to Add Two Complex Numbers

  public class ComplexNumber{ double real, img; ComplexNumber(double r, double i){ this.real = r; this.img = i; } public static ComplexNumber sum(ComplexNumber c1, ComplexNumber c2) { ComplexNumber temp = new ComplexNumber(0, 0); temp.real = c1.real + c2.real; temp.img = c1.img + c2.img; return temp; } public static void main(String args[]) { ComplexNumber c1 = new … Read more

Java Program to Calculate Compound Interest

public class JavaExm { public void calculate(int p, int t, double r, int n) { double amount = p * Math.pow(1 + (r / n), n * t); double cinterest = amount – p; System.out.println(“Compound Interest after ” + t + ” years: “+cinterest); System.out.println(“Amount after ” + t + ” years: “+amount); } public … Read more

C Program to find largest element of an Array

#include <stdio.h> largest_element(int arr[], int num) { int i, max_element; max_element = arr[0]; for (i = 1; i < num; i++) if (arr[i] > max_element) max_element = arr[i]; return max_element; } int main() { int arr[] = {1, 24, 145, 20, 8, -101, 300}; int n = sizeof(arr)/sizeof(arr[0]); printf(“Largest element of array is %d”, largest_element(arr, … Read more

C Program to arrange numbers in ascending order

  #include <stdio.h> void sort_numbers_ascending(int number[], int count) { int temp, i, j, k; for (j = 0; j < count; ++j) { for (k = j + 1; k < count; ++k) { if (number[j] > number[k]) { temp = number[j]; number[j] = number[k]; number[k] = temp; } } } printf(“Numbers in ascending order:\n”); … Read more

C program to find the length of a String without using function strlen()

#include <stdio.h> int main() { char str[100],i; printf(“Enter a string: \n”); scanf(“%s”,str); for(i=0; str[i]!=’\0′; ++i); printf(“\nLength of input string: %d”,i); return 0; }