1) Sum of Last Digits of Two Given Numbers
import java.util.Scanner;
public class SumLastDigits {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
int b = sc.nextInt();
int sum = (a % 10) + (b % 10);
System.out.println("Sum of last digits: " + sum);
2) Is N an Exact Multiple of M?
import java.util.Scanner;
public class MultipleCheck {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int N = sc.nextInt();
int M = sc.nextInt();
if (M != 0 && N % M == 0) {
System.out.println("Yes");
} else {
System.out.println("No");
}
3. Combine Strings
import java.util.Scanner;
public class MultipleCheck {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int N = sc.nextInt();
int M = sc.nextInt();
if (M != 0 && N % M == 0) {
System.out.println("Yes");
} else {
System.out.println("No");
4. Even or Odd
import java.util.Scanner;
public class EvenOdd {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int num = sc.nextInt();
if (num % 2 == 0) {
System.out.println("Even");
} else {
System.out.println("Odd");
}
5. Second Last Digit of a Given Number
import java.util.Scanner;
public class SecondLastDigit {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int num = Math.abs(sc.nextInt());
if (num < 10) {
System.out.println("No second last digit");
} else {
int secondLast = (num / 10) % 10;
System.out.println("Second last digit: " + secondLast);
6. Alternate String Combiner
import java.util.Scanner;
public class AlternateStringCombiner {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String s1 = sc.nextLine();
String s2 = sc.nextLine();
StringBuilder result = new StringBuilder();
int maxLength = Math.max(s1.length(), s2.length());
for (int i = 0; i < maxLength; i++) {
if (i < s1.length()) result.append(s1.charAt(i));
if (i < s2.length()) result.append(s2.charAt(i));
System.out.println("Combined: " + result.toString());
7. Padovan Sequence
import java.util.Scanner;
public class PadovanSequence {
public static int padovan(int n) {
if (n == 0 || n == 1 || n == 2)
return 1;
return padovan(n - 2) + padovan(n - 3);
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt(); // Number of terms
for (int i = 0; i < n; i++) {
System.out.print(padovan(i) + " ");
8.Leaders in an Array
import java.util.Scanner;
public class LeadersInArray {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int n = sc.nextInt(); // Number of elements
int[] arr = new int[n];
for(int i=0; i<n; i++) {
arr[i] = sc.nextInt();
for (int i = 0; i < n; i++) {
boolean isLeader = true;
for (int j = i + 1; j < n; j++) {
if (arr[i] <= arr[j]) {
isLeader = false;
break;
if (isLeader) {
System.out.print(arr[i] + " ");
8. Find the Value of a Number Raised (Power Calculation)
import java.util.Scanner;
public class PowerCalculation {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
double base = sc.nextDouble();
int exponent = sc.nextInt();
double result = Math.pow(base, exponent);
System.out.println("Result: " + result);
