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

OOP/Java/Lab/Week5/ComplexAdder.java

@@ -0,0 +1,61 @@
+import java.util.Scanner;
+
+class Complex {
+
+    double real;
+    double imaginary;
+
+    public Complex(double real, double imaginary) {
+        this.real = real;
+        this.imaginary = imaginary;
+    }
+
+    public Complex add(int realPart) {
+        return new Complex(this.real + realPart, this.imaginary);
+    }
+
+    public Complex add(Complex other) {
+        return new Complex(
+            this.real + other.real,
+            this.imaginary + other.imaginary
+        );
+    }
+
+    public String toString() {
+        return this.real + " + " + this.imaginary + "i";
+    }
+}
+
+public class ComplexAdder {
+
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        int a, b, c, d, e;
+
+        System.out.print(
+            "Enter the values of a and b, for the first Complex Number of the form a + ib: "
+        );
+        a = sc.nextInt();
+        b = sc.nextInt();
+
+        System.out.print(
+            "Enter the values of c and d, for the second Complex Number of the form c + id: "
+        );
+        c = sc.nextInt();
+        d = sc.nextInt();
+
+        System.out.print(
+            "Enter the integer you want to add to the first complex number:"
+        );
+        e = sc.nextInt();
+
+        Complex c1 = new Complex(a, b);
+        Complex c2 = new Complex(c, d);
+
+        Complex sum1 = c1.add(e);
+        Complex sum2 = c1.add(c2);
+
+        System.out.println("Sum of complex number and integer: " + sum1);
+        System.out.println("Sum of two complex numbers: " + sum2);
+    }
+}

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();
+    }
+}

OOP/Java/Lab/Week5/Time.java

@@ -1,28 +1,41 @@
 public class Time {
+
     int hr;
     int min;
     int sec;
 
-    Time(){
+    Time() {
         // initializing to zero
         hr = 0;
         min = 0;
         min = 0;
     }
 
-    Time (int hour, int minute, int second){
+    Time(int hour, int minute, int second) {
         hr = hour;
         min = minute;
         sec = second;
     }
 
-    public void display(){
-        System.out.printf("%02d:%02d:%02d\n", (hr%24), (min%60), (sec%60));    }
+    public void display() {
+        System.out.printf(
+            "%02d:%02d:%02d\n",
+            (hr % 24),
+            (min % 60),
+            (sec % 60)
+        );
+    }
 
-    public void add(Time t1, Time t2){
-        int totalSeconds = (t1.hr * 3600) + (t2.hr * 3600) + (t1.min * 60) + (t2.min * 60) + (t1.sec) + (t2.sec);
+    public void add(Time t1, Time t2) {
+        int totalSeconds =
+            (t1.hr * 3600) +
+            (t2.hr * 3600) +
+            (t1.min * 60) +
+            (t2.min * 60) +
+            (t1.sec) +
+            (t2.sec);
         this.hr = totalSeconds / 3600;
-        this.min = (totalSeconds%3600) / 60;
+        this.min = (totalSeconds % 3600) / 60;
         this.sec = (totalSeconds % 60);
     }
 
@@ -40,7 +53,5 @@ public class Time {
         sum.add(t1, t2);
         System.out.print("The sum is: ");
         sum.display();
-
     }
-    
 }