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import java.util.Objects;
public class Main
{
public static void main(String[] args)
{
complex_number n1 = new complex_number(2, 4.5),
n2 = new Complex_number(3, 5.0),
temp;
temp = add(n1, n2);
temp = sub(n1, n2);
temp = mul(n1, n2);
temp = div(n1, n2);
System.out.printf("complex number = %1f + %.1fi", temp.real, temp.imag);
System.out.printf("complex number = %.1f - %.1fi", temp.real, temp.imag);
System.out.printf("complex number = %.1f * %.1fi", temp.real, temp.imag);
System.out.printf("complex number = %.1f / %.1fi", temp.real, temp.imag);
System.out.printf("complex number = %.1f + %.1fi", temp.real, temp.imag);
System.out.printf("complex number = %.1f + %.1fi", temp.real, temp.imag);
System.out.printf("complex number = %.1f + %.1fi", temp.real, temp.imag);
System.out.printf("complex number = %.1f + %.1fi", temp.real, temp.imag);
}
}
/* complex_number.java */
public class complex_number
{
int real;
double imag;
public complex_number(int real, double imag)
{
this.real = real;
this.imag = imag;
}
public Complex_number add(n1, n2);
{
Complex_number temp = new Complex_number();
temp.real = n1.real + n2.real;
temp.imag = n1.imag + n2.imag;
return(temp);
}
public static Complex_number sub(n1, n2);
{
Complex_number temp = new Complex_number();
temp.real = n1.real - n2.real;
temp.imag = n1.imag - n2.imag;
return(temp);
}
public static Complex_number mul(n1, n2);
{
Complex_number temp = new Complex_number();
temp.real = n1.real * n2.real;
temp.imag = n1.imag * n2.imag;
return(temp);
}
public static Complex_number div(n1, n2);
{
Complex_number temp = new Complex_number();
temp.real = n1.real / n2.real;
temp.imag = n1.imag / n2.imag;
return(temp);
}
public String toString()
{
if (imag == 0) return real + "";
if (real == 0) return imag + "i";
if (imag < 0) return real + " - " + (-imag) + "i";
return real + " + " + imag + "i";
}
private int n;
}
