Upload files to "OOP/Java/Lab/Week5"

OOP/Java/Lab/Week5/Number.java

@@ -0,0 +1,77 @@
+import java.util.Scanner;
+
+class Number {
+
+    private double value;
+
+    public Number(double value) {
+        this.value = value;
+    }
+
+    public boolean isZero() {
+        return value == 0;
+    }
+
+    public boolean isPositive() {
+        return value > 0;
+    }
+
+    public boolean isNegative() {
+        return value < 0;
+    }
+
+    public boolean isOdd() {
+        return (int) value % 2 != 0;
+    }
+
+    public boolean isEven() {
+        return (int) value % 2 == 0;
+    }
+
+    public boolean isPrime() {
+        if (value <= 1 || value != (int) value) {
+            return false;
+        }
+        for (int i = 2; i <= Math.sqrt(value); i++) {
+            if ((int) value % i == 0) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    public boolean isArmstrong() {
+        if (value != (int) value) {
+            return false;
+        }
+        int num = (int) value;
+        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) {
+        Scanner sc = new Scanner(System.in);
+        System.out.print("Enter a number: ");
+        double input = sc.nextDouble();
+        Number number = new Number(input);
+
+        System.out.println("Is Zero: " + number.isZero());
+        System.out.println("Is Positive: " + number.isPositive());
+        System.out.println("Is Negative: " + number.isNegative());
+        System.out.println("Is Odd: " + number.isOdd());
+        System.out.println("Is Even: " + number.isEven());
+        System.out.println("Is Prime: " + number.isPrime());
+        System.out.println("Is Armstrong: " + number.isArmstrong());
+
+        sc.close();
+    }
+}