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Update OOP/Java/Lab/Week5/Number.java

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Aadit Agrawal 2024-09-02 01:25:58 +05:30
parent b178260bf8
commit 63d5f2ae23
1 changed files with 9 additions and 25 deletions
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34
OOP/Java/Lab/Week5/Number.java
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@ -29,40 +29,24 @@ class Number {
} }
public boolean isPrime() { public boolean isPrime() {
if (value <= 1 || value != (int) value) { if (value <= 1 || value != (int) value) return false;
return false; for (int i = 2; i <= Math.sqrt(value); i++) if (
} (int) value % i == 0
for (int i = 2; i <= Math.sqrt(value); i++) { ) return false;
if ((int) value % i == 0) {
return false;
}
}
return true; return true;
} }
public boolean isArmstrong() { public boolean isArmstrong() {
if (value != (int) value) { if (value != (int) value) return false;
return false; int num = (int) value, sum = 0, digits = String.valueOf(num).length();
} for (int n = num; n > 0; n /= 10) sum += Math.pow(n % 10, digits);
int num = (int) value; return sum == num;
int originalNum = num;
int sum = 0;
int digits = String.valueOf(num).length();
while (num > 0) {
int digit = num % 10;
sum += Math.pow(digit, digits);
num /= 10;
}
return sum == originalNum;
} }
public static void main(String[] args) { public static void main(String[] args) {
Scanner sc = new Scanner(System.in); Scanner sc = new Scanner(System.in);
System.out.print("Enter a number: "); System.out.print("Enter a number: ");
double input = sc.nextDouble(); Number number = new Number(sc.nextDouble());
Number number = new Number(input);
System.out.println("Is Zero: " + number.isZero()); System.out.println("Is Zero: " + number.isZero());
System.out.println("Is Positive: " + number.isPositive()); System.out.println("Is Positive: " + number.isPositive());