import java.util.
Scanner;
public class KboatArkenstoneConsulting
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter number of hours: ");
int hrs = in.nextInt();
System.out.print("Enter total sales: ");
int sales = in.nextInt();
double wage = hrs * 500;
double c = 0;
if (sales < 100)
c = 0;
else if (sales < 1000)
c = 1;
else if (sales < 10000)
c = 2;
else if (sales < 25000)
c = 3;
else
c = 3.5;
double comm = c * sales / 100.0;
wage += comm;
System.out.println("Wage = " + wage);
}
}
import java.util.Scanner;
public class KboatMayurTpt
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter parcel weight: ");
double wt = in.nextDouble();
double amt = 0;
if (wt <= 10)
amt = 30 * wt;
else if (wt <= 30)
amt = 300 + ((wt - 10) * 20);
else
amt = 300 + 400 + ((wt - 30) * 15);
System.out.println("Parcel Charge = " + amt);
}
}
public class KboatSumOdd
{
public static void main(String args[]) {
long sumOdd = 0;
for (int i = 1; i <= 50; i++)
if (i % 2 != 0)
sumOdd += i;
System.out.println("Sum of 50 odd positive numbers = " + sumOdd);
}
}
import java.util.Scanner;
public class KboatTribonacci
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter no. of terms : ");
int n = in.nextInt();
if(n < 3)
System.out.print("Enter a number greater than 2");
else {
int a = 0, b = 0, c = 1;
System.out.print(a + " " + b + " " + c);
for (int i = 4; i <= n; i++) {
int term = a + b + c;
System.out.print(" " + term);
a = b;
b = c;
c = term;
}
}
}
}
import java.util.Scanner;
public class KboatPronicNumber
{
public void pronicCheck() {
Scanner in = new Scanner(System.in);
System.out.print("Enter the number to check: ");
int num = in.nextInt();
boolean isPronic = false;
for (int i = 1; i <= num - 1; i++) {
if (i * (i + 1) == num) {
isPronic = true;
break;
}
}
if (isPronic)
System.out.println(num + " is a pronic number");
else
System.out.println(num + " is not a pronic number");
}
}
public class KboatPattern
{
public static void main(String args[]) {
for (int i = 1; i <= 5; i++) {
for (int j = 1; j <= i; j++) {
if (j % 2 == 0)
System.out.print("# ");
else
System.out.print("* ");
}
System.out.println();
}
public class KboatPattern
{
public static void main(String args[]) {
for (int i = 65; i < 70; i++) {
for (int j = 65; j <= i; j++) {
if (i % 2 == 0)
System.out.print((char)(j+32));
else
System.out.print((char)j);
}
System.out.println();
}
}
}
import java.util.Scanner;
public class Kboat3Numbers
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter first number: ");
int a = in.nextInt();
System.out.print("Enter second number: ");
int b = in.nextInt();
System.out.print("Enter third number: ");
int c = in.nextInt();
if (a == b && b == c) {
System.out.println("All the numbers are equal");
}
else {
int g = a;
if (b > g)
g = b;
if (c > g)
g = c;
System.out.println("Greatest number: " + g);
}
}
}
import java.util.Scanner;
public class KboatDigitCount
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter number: ");
int n = in.nextInt();
int dc = 0;
while (n != 0) {
dc++;
n /= 10;
}
System.out.println("Number of digits = " + dc);
if (dc % 2 == 0)
System.out.println("The number contains even number of digits");
else
System.out.println("The number contains odd number of digits");
}
}
import java.util.Scanner;
public class KboatPalinOrPerfect
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.println("1. Palindrome number");
System.out.println("2. Perfect number");
System.out.print("Enter your choice: ");
int choice = in.nextInt();
System.out.print("Enter number: ");
int num = in.nextInt();
switch (choice) {
case 1:
int copyNum = num;
int revNum = 0;
while(copyNum != 0) {
int digit = copyNum % 10;
copyNum /= 10;
revNum = revNum * 10 + digit;
}
if (revNum == num)
System.out.println(num + " is palindrome");
else
System.out.println(num + " is not palindrome");
break;
case 2:
int sum = 0;
for (int i = 1; i <= num / 2; i++) {
if (num % i == 0) {
sum += i;
}
}
if (num == sum)
System.out.println(num + " is a perfect number");
else
System.out.println(num + " is not a perfect number");
break;
default:
System.out.println("Incorrect Choice");
break;
}
}
}
import java.util.Scanner;
public class KboatFibonacciNDigitSum
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.println("1. Fibonacci Series");
System.out.println("2. Sum of digits");
System.out.print("Enter your choice: ");
int ch = in.nextInt();
switch (ch) {
case 1:
int a = 0, b = 1;
System.out.print(a + " " + b);
/*
* i is starting from 3 below
* instead of 1 because we have
* already printed 2 terms of
* the series. The for loop will
* print the series from third
* term onwards.
*/
for (int i = 3; i <= 10; i++) {
int term = a + b;
System.out.print(" " + term);
a = b;
b = term;
}
break;
case 2:
System.out.print("Enter number: ");
int num = in.nextInt();
int sum = 0;
while (num != 0) {
sum += num % 10;
num /= 10;
}
System.out.println("Sum of Digits " + " = " + sum);
break;
default:
System.out.println("Incorrect choice");
break;
}
}
}
public class KboatPattern
{
public static void main(String args[]) {
for (int i = 9; i >= 1; i -= 2) {
for (int j = 1; j <= 5; j++) {
System.out.print(i + " ");
}
System.out.println();
}
}
}
