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Jordan Jordan Jan 15, 2021

1. Write a while loop that displays all even numbers till 40.find the factorial yalue of any number entered​

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Answer:

1.

import java.util.Scanner;  

public class DisplayEvenNumbersExample3  

{  

public static void main(String[] args)   

{  

int number, i;  

Scanner sc=new Scanner(System.in);  

System.out.print("Enter the limit: ");  

number = sc.nextInt();    

i=2;   

System.out.print("Lit of even numbers: ");  

//the while loop executes until the condition become false  

while(i<=number)  

{  

//prints the even number  

System.out.print(i +" ");   

//increments the variable i by 2  

i=i+2;  

}     

}  

}  

2.

import java.util.Scanner;

import java.util.Scanner;class Factorial

import java.util.Scanner;class Factorial{

import java.util.Scanner;class Factorial{  public static void main(String args[])

import java.util.Scanner;class Factorial{  public static void main(String args[])  {

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();    if (n < 0)

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();    if (n < 0)      System.out.println("Number should be non-negative.");

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();    if (n < 0)      System.out.println("Number should be non-negative.");    else

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();    if (n < 0)      System.out.println("Number should be non-negative.");    else    {

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();    if (n < 0)      System.out.println("Number should be non-negative.");    else    {      for (c = 1; c <= n; c++)

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();    if (n < 0)      System.out.println("Number should be non-negative.");    else    {      for (c = 1; c <= n; c++)        f = f*c;

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();    if (n < 0)      System.out.println("Number should be non-negative.");    else    {      for (c = 1; c <= n; c++)        f = f*c;      System.out.println("Factorial of "+n+" is = "+f);

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();    if (n < 0)      System.out.println("Number should be non-negative.");    else    {      for (c = 1; c <= n; c++)        f = f*c;      System.out.println("Factorial of "+n+" is = "+f);    }

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();    if (n < 0)      System.out.println("Number should be non-negative.");    else    {      for (c = 1; c <= n; c++)        f = f*c;      System.out.println("Factorial of "+n+" is = "+f);    }  }

import java.util.Scanner;class Factorial{  public static void main(String args[])  {    int n, c, f = 1;    System.out.println("Enter an integer to calculate its factorial");    Scanner in = new Scanner(System.in);    n = in.nextInt();    if (n < 0)      System.out.println("Number should be non-negative.");    else    {      for (c = 1; c <= n; c++)        f = f*c;      System.out.println("Factorial of "+n+" is = "+f);    }  }}

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Jan 15, 2021
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