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Logic and Loop

The document contains two Java programs: the first checks if an integer is divisible by 2 and 5, providing appropriate messages based on the input. The second program demonstrates two methods for calculating the factorial of a number, one using a loop and the other using recursion, with examples for calculating the factorial of 5 and 4. Both programs include user input and output statements to display results.

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rajeshjaganathan28
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1 views1 page

Logic and Loop

The document contains two Java programs: the first checks if an integer is divisible by 2 and 5, providing appropriate messages based on the input. The second program demonstrates two methods for calculating the factorial of a number, one using a loop and the other using recursion, with examples for calculating the factorial of 5 and 4. Both programs include user input and output statements to display results.

Uploaded by

rajeshjaganathan28
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as TXT, PDF, TXT or read online on Scribd
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1)

divisible by
public class divisibleBy2and5 {

public static void main(String[] args) {


// TODO Auto-generated method stub
System.out.println("Enter an integer number:");
Scanner input = new Scanner(System.in);
int x;
x = input.nextInt();
if (x % 2==0){
System.out.println("The integer number you entered is divisible by
2");
}
else{
System.out.println("The integer number you entered is not divisible by
2");
if(x % 5==0){
System.out.println("The integer number you entered is divisible by
5");
}
else{
System.out.println("The interger number you entered is not
divisible by 5");
}
}

2)Factorial number

class FactorialExample{
public static void main(String args[]){
int i,fact=1;
int number=5;//It is the number to calculate factorial
for(i=1;i<=number;i++){
fact=fact*i;
}
System.out.println("Factorial of "+number+" is: "+fact);
}
}
Factorial of 5 is: 120

class FactorialExample2{
static int factorial(int n){
if (n == 0)
return 1;
else
return(n * factorial(n-1));
}
public static void main(String args[]){
int i,fact=1;
int number=4;//It is the number to calculate factorial
fact = factorial(number);
System.out.println("Factorial of "+number+" is: "+fact);
}
} Factorial of 4 is: 24

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