book is introduction of java programming, 10th edition for the last two questions
Solution
Problem1)
RandomNumbers.java
import java.util.*;
public class RandomNumbers {
public static void main(String[] args) {
//Declaring variables
int sum=0,square,randNum;
// Scanner object is used to get the inputs from the user
Scanner sc = new Scanner(System.in);
//Getting the maximum number entered by the user
System.out .print(\"Maximum Upto which number you want to generate Random numbers
from 0 :\");
int max = sc.nextInt();
// creating the Random Class Object.
Random rand = new Random();
// Displaying the Random Numbers
System.out.println(\"The Random Numbers generated are:\");
for (int i = 0; i < 10; i++) {
//Generating the random number
randNum=rand.nextInt((max) + 1);
System.out.print(randNum+ \" \");
//calculating the sum
sum+=randNum;
}
//Displaying the results
System.out.println(\"\ The Sum of Random numbers are :\"+sum);
System.out.printf(\"\ The Square Roor of Sum is :%.2f\",Math.sqrt(sum));
}
}
__________________
Output:
Maximum Upto which number you want to generate Random numbers from 0 :100
The Random Numbers generated are:
39 11 43 73 10 66 26 35 54 37
The Sum of Random numbers are :394
The Square Roor of Sum is :19.85
____________
Problem2)
FibonacciNosRange.java
public class FibonacciNosRange {
public static void main(String[] args) {
int i = 1;
//This loop will display the fibonacci numbers
while (fibonacci(i) < 145) {
System.out.print(fibonacci(i) + \" \");
i++;
}
}
//This method will calculate the fibanacci number
public static int fibonacci(int n) {
if (n == 0) {
return 0;
} else if (n == 1) {
return 1;
} else {
return fibonacci(n - 1) + fibonacci(n - 2);
}
}
}
_____________________
output:
1 1 2 3 5 8 13 21 34 55 89 144
____________________
Problem4)
LeapYearsDisplay.java
public class LeapYearsDisplay {
public static void main(String[] args) {
//Declaring variables
int count=0;
//Displaying the leap years
for(int year=101;year<=2100;year++)
{
if(year%100==0 && year%400==0 || year%100!=0 && year%4==0)
{
System.out.print(year+\" \");
//Count the no of leap years
count++;
}
if(count%10==0)
System.out.println();
}
//Displaying the number of leap year
System.out.println(\"\ The number of leap years from 101 to 2100 is :\"+count);
}
}
_______________________
Output:
104 108 112 116 120 124 128 132 136 140
144 148 152 156 160 164 168 172 176 180
184 188 192 196 204 208 212 216 220 224
228 232 236 240 244 248 252 256 260 264
268 272 276 280 284 288 292 296 304 308
312 316 320 324 328 332 336 340 344 348
352 356 360 364 368 372 376 380 384 388
392 396 400 404 408 412 416 420 424 428
432 436 440 444 448 452 456 460 464 468
472 476 480 484 488 492 496 504 508 512
516 520 524 528 532 536 540 544 548 552
556 560 564 568 572 576 580 584 588 592
596 604 608 612 616 620 624 628 632 636
640 644 648 652 656 660 664 668 672 676
680 684 688 692 696 704 708 712 716 720
724 728 732 736 740 744 748 752 756 760
764 768 772 776 780 784 788 792 796 800
804 .
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book is introduction of java programming, 10th edition for the last .pdf
1. book is introduction of java programming, 10th edition for the last two questions
Solution
Problem1)
RandomNumbers.java
import java.util.*;
public class RandomNumbers {
public static void main(String[] args) {
//Declaring variables
int sum=0,square,randNum;
// Scanner object is used to get the inputs from the user
Scanner sc = new Scanner(System.in);
//Getting the maximum number entered by the user
System.out .print("Maximum Upto which number you want to generate Random numbers
from 0 :");
int max = sc.nextInt();
// creating the Random Class Object.
Random rand = new Random();
// Displaying the Random Numbers
System.out.println("The Random Numbers generated are:");
for (int i = 0; i < 10; i++) {
//Generating the random number
randNum=rand.nextInt((max) + 1);
System.out.print(randNum+ " ");
//calculating the sum
sum+=randNum;
}
//Displaying the results
System.out.println(" The Sum of Random numbers are :"+sum);
System.out.printf(" The Square Roor of Sum is :%.2f",Math.sqrt(sum));
2. }
}
__________________
Output:
Maximum Upto which number you want to generate Random numbers from 0 :100
The Random Numbers generated are:
39 11 43 73 10 66 26 35 54 37
The Sum of Random numbers are :394
The Square Roor of Sum is :19.85
____________
Problem2)
FibonacciNosRange.java
public class FibonacciNosRange {
public static void main(String[] args) {
int i = 1;
//This loop will display the fibonacci numbers
while (fibonacci(i) < 145) {
System.out.print(fibonacci(i) + " ");
i++;
}
}
//This method will calculate the fibanacci number
public static int fibonacci(int n) {
if (n == 0) {
return 0;
} else if (n == 1) {
return 1;
} else {
return fibonacci(n - 1) + fibonacci(n - 2);
}
}
}
_____________________
output:
1 1 2 3 5 8 13 21 34 55 89 144
____________________
3. Problem4)
LeapYearsDisplay.java
public class LeapYearsDisplay {
public static void main(String[] args) {
//Declaring variables
int count=0;
//Displaying the leap years
for(int year=101;year<=2100;year++)
{
if(year%100==0 && year%400==0 || year%100!=0 && year%4==0)
{
System.out.print(year+" ");
//Count the no of leap years
count++;
}
if(count%10==0)
System.out.println();
}
//Displaying the number of leap year
System.out.println(" The number of leap years from 101 to 2100 is :"+count);
}
}
_______________________
Output:
104 108 112 116 120 124 128 132 136 140
144 148 152 156 160 164 168 172 176 180
184 188 192 196 204 208 212 216 220 224
228 232 236 240 244 248 252 256 260 264
268 272 276 280 284 288 292 296 304 308
312 316 320 324 328 332 336 340 344 348
352 356 360 364 368 372 376 380 384 388
392 396 400 404 408 412 416 420 424 428
![book is introduction of java programming, 10th edition for the last two questions
Solution
Problem1)
RandomNumbers.java
import java.util.*;
public class RandomNumbers {
public static void main(String[] args) {
//Declaring variables
int sum=0,square,randNum;
// Scanner object is used to get the inputs from the user
Scanner sc = new Scanner(System.in);
//Getting the maximum number entered by the user
System.out .print("Maximum Upto which number you want to generate Random numbers
from 0 :");
int max = sc.nextInt();
// creating the Random Class Object.
Random rand = new Random();
// Displaying the Random Numbers
System.out.println("The Random Numbers generated are:");
for (int i = 0; i < 10; i++) {
//Generating the random number
randNum=rand.nextInt((max) + 1);
System.out.print(randNum+ " ");
//calculating the sum
sum+=randNum;
}
//Displaying the results
System.out.println(" The Sum of Random numbers are :"+sum);
System.out.printf(" The Square Roor of Sum is :%.2f",Math.sqrt(sum));](https://image.slidesharecdn.com/bookisintroductionofjavaprogramming10theditionforthelast-230709065336-35e19dc3/85/book-is-introduction-of-java-programming-10th-edition-for-the-last-pdf-1-320.jpg)
![}
}
__________________
Output:
Maximum Upto which number you want to generate Random numbers from 0 :100
The Random Numbers generated are:
39 11 43 73 10 66 26 35 54 37
The Sum of Random numbers are :394
The Square Roor of Sum is :19.85
____________
Problem2)
FibonacciNosRange.java
public class FibonacciNosRange {
public static void main(String[] args) {
int i = 1;
//This loop will display the fibonacci numbers
while (fibonacci(i) < 145) {
System.out.print(fibonacci(i) + " ");
i++;
}
}
//This method will calculate the fibanacci number
public static int fibonacci(int n) {
if (n == 0) {
return 0;
} else if (n == 1) {
return 1;
} else {
return fibonacci(n - 1) + fibonacci(n - 2);
}
}
}
_____________________
output:
1 1 2 3 5 8 13 21 34 55 89 144
____________________](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)