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Java Resit/assesment/Class Exercises/Complex Numbers/javaassesex1/src/Complex.java

+public class Complex {
+
+  public double real;
+  public double imag;
+
+  public Complex() {
+    real = 2.6;
+    imag = 5.2;
+  }
+
+  public Complex(double r, double i) {
+    real = r;
+    imag = i;
+    double d = Math.atan2(i, r);
+  }
+
+  public double imag() {
+    return imag;
+  }
+
+  public double real() {
+    return real;
+  }
+
+  public double magnitude() {
+    return Math.sqrt(real * real + imag * imag);
+  }
+
+  public double argument() {
+    return Math.atan2(imag, real);
+  }
+
+  public String toString() {
+    // Handle the case where the real part is 0
+    if (real == 0 && imag != 0) {
+      return "j" + imag;
+    }
+
+    // Handle the case where the imaginary part is 0
+    if (imag == 0 && real != 0) {
+      return real + "";
+    }
+
+    // Handle the case where the imaginary part is negative
+    if (imag < 0) {
+      return real + " - j" + (-imag);
+    }
+
+    // Handle the case where both the real and imaginary parts are non-zero
+    return real + " + j" + imag;
+  }
+
+  public Complex add(Complex other) {
+    double real = this.real + other.real;
+    double imag = this.imag + other.imag;
+    return new Complex(real, imag);
+  }
+
+}
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