added-prac-01-java

Java/Practical/practical-01/Complex.java

@@ -0,0 +1,38 @@
+class Complex {
+    double real;
+    double imaginary;
+
+    public Complex(double real, double imaginary) {
+        this.real = real;
+        this.imaginary = imaginary;
+    }
+
+    public Complex add(Complex other) {
+        return new Complex(real + other.real, imaginary + other.imaginary);
+    }
+
+    public Complex multiply(Complex other) {
+        double realPart = (real * other.real) - (imaginary * other.imaginary);
+        double imaginaryPart = (real * other.imaginary) + (imaginary * other.real);
+        return new Complex(realPart, imaginaryPart);
+    }
+
+    @Override
+    public String toString() {
+        if (imaginary < 0) {
+            return real + " - " + Math.abs(imaginary) + "i";
+        }
+        return real + " + " + imaginary + "i";
+    }
+
+    public static void main(String[] args) {
+        Complex c1 = new Complex(3, 2);
+        Complex c2 = new Complex(1, 7);
+
+        Complex sum = c1.add(c2);
+        System.out.println("Sum: " + sum);
+
+        Complex product = c1.multiply(c2);
+        System.out.println("Product: " + product);
+    }
+}