Sum of Odd and Even Digits of a Number

import java.util.Scanner;

public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter a number: ");
int number = sc.nextInt();
int evenSum = 0;
int oddSum = 0;
while (number > 0) {
int digit = number % 10;
if (digit % 2 == 0) {
evenSum += digit;
} else {
oddSum += digit;
}
number /= 10;
}
System.out.println("Sum of even digits: " + evenSum);
System.out.println("Sum of odd digits: " + oddSum);
}
}

Palindrome Number

import java.util.Scanner;

public class Palindrome {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
System.out.println("Enter a number to check if it is a palindrome");
int n = sc.nextInt();
int temp = n;
int sum = 0;
int r;
while (n > 0) {
r = n % 10;
sum = (sum * 10) + r;
n = n / 10;
}
if (temp == sum) {
System.out.println("It is a palindrome number.");
} else {
System.out.println("Not a palindrome number.");
}
}

Largest Among Three Numbers

import java.util.Scanner;

public class LargestNumber {
public static void main(String[] args) {
int a, b, c;
Scanner sc = new Scanner(System.in);
System.out.println("Enter Three Numbers");
a = sc.nextInt();
b = sc.nextInt();
c = sc.nextInt();
if (a > b && a > c) {
System.out.println("The largest number is: " + a);
} else if (b > a && b > c) {
System.out.println("The largest number is: " + b);
} else if (c > a && c > b) {
System.out.println("The largest number is: " + c);
} else if (a == b && b == c) {
System.out.println("All numbers are equal");
} else {
System.out.println("Invalid Input");
}
}
}

1-100 Natural Numbers

public class NaturalNumbers {
public static void main(String[] args) {
for (int n = 0; n <= 100; n++) {
if (n != 100) {
System.out.print(n + ", ");
} else {
System.out.println(n);
}
}
}
}

Area of Circle

import java.util.Scanner;

public class AreaOfCircle {
public static void main(String[] args) {
double radius, area;
Scanner sc = new Scanner(System.in);
System.out.println("Enter the Radius of the Circle:");
radius = sc.nextDouble();
area = Math.PI * Math.pow(radius, 2);
System.out.println("Area of Circle: " + area);
}
}

Asterisk Series

public class Series {
public static void main(String[] args) {
for (int i = 1; i <= 5; i++) {
for (int j = 1; j <= i; j++) {
System.out.print("*" + " ");
}
System.out.println();
}
}
}