1.Question
=> Find n is +ve,-ve or 0?
code:-
CODE
import 'dart:io';
void main() {
print('Om Namah Shivay');
int n = int.parse(stdin.readLineSync()!);
if (n > 0) {
print('$n is positive');
} else if (n == 0) {
print('$n is zero');
} else {
print('$n is positive');
}
}
2.Question
=>which one is greater in a and b?
code:-
CODE
import 'dart:io';
void main() {
print('Om Namah Shivay');
print(greater());
}
int greater({int? a, int? b}) {
a = int.parse(stdin.readLineSync()!);
b = int.parse(stdin.readLineSync()!);
if (a > b) {
return a;
} else {
return b;
}
}
3.Question
Find that the alphabet is in lowercase or uppercase?
code:-
CODE
void main() {
print('Om Namah Shivay');
print(Case(alpphabet: 'om'));
}
String Case({required String alpphabet}) {
if (alpphabet == alpphabet.toUpperCase()) {
return 'upperCase';
} else {
return 'lowerCase';
}
}
loops
4.print 1 to n
code:-
CODE
void main() {
print('Om Namah Shivay');
number(n: 10);
}
void number({required int n}) {
int i = 1;
while (i <= n) {
print(i);
i++;
}
}
5.print sum of 1 to n?
CODE
void main() {
print('Om Namah Shivay');
print(sum(n: 5));
}
int sum({required int n}) {
int i = 1, sum = 0;
while (i <= n) {
sum += i;
i++;
}
return sum;
}
6.Find sum of even numbers in 1 to n?
code:-
CODE
void main() {
print('Om Namah Shivay');
print(sum(n: 5));
}
int sum({required int n}) {
int i = 1, sum = 0;
while (i <= n) {
i % 2 == 0 ? sum += i : sum += 0;
i++;
}
return sum;
}
7.convert f to c(temp.)
code:-
CODE
void main() {
print('Om Namah Shivay');
print(celsiusConvertor(f: 5.23));
}
double celsiusConvertor({required double f}) {
return (f - 32) * 5 / 9;
}
8.n is prime or not?
code:-
CODE
void main() {
print('Om Namah Shivay');
print(prime(n: 56));
}
String prime({required double n}) {
int i = 2;
String ans = 'prime';
while (i < n) {
if (n % i == 0) {
ans = 'non-prime';
break;
}
}
return ans;
}
9.Make this pattern
code:-
CODE
void main() {
print('Om Namah Shivay');
print(pattern());
}
String pattern() {
int i = 1;
String star = '*';
while (i <= 3) {
print(star * 4);
i++;
}
return '';
}
10.Make this pattern
111
222
333
code:-
CODE
void main() {
print('Om Namah Shivay');
print(pattern());
}
String pattern() {
int i = 1;
while (i <= 3) {
String star = i.toString();
print(star * 3);
i++;
}
return '';
}
I understood
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