The following demonstrates how to manipulate complex numbers:
class Complex{ double real; double imag; Complex() { } Complex(double real,double imag) { this.real=real; this.imag=imag; } void addComplexNos(Complex comp1,Complex comp2) { this.real=comp1.real+comp2.real; this.imag=comp1.imag+comp2.imag; } void subtractComplexNos(Complex comp1,Complex comp2) { this.real=comp1.real-comp2.real; this.imag=comp1.imag-comp2.imag; } void multiplyComplexNos(Complex comp1,Complex comp2) { this.real=(comp1.real*comp2.real)-(comp1.imag*comp2.imag); this.imag=(comp1.real*comp2.imag)+(comp2.real*comp1.imag); } void divideComplexNos(Complex comp1,Complex comp2) { this.real=comp1.real/comp2.real; this.imag=comp1.imag/comp2.imag; } void displayNos() { System.out.println(real +"+"+imag+"i"); }}public class ComplexOpr{public static void main(String args[]){ Complex cno1=new Complex(2,2); Complex cno2=new Complex(3,4); Complex result=new Complex(); System.out.print("First Complex No = "); cno1.displayNos(); System.out.print("Second Complex No ="); cno2.displayNos(); result.addComplexNos(cno1,cno2); System.out.print("Addition of Complex Nos = "); result.displayNos(); result.subtractComplexNos(cno1,cno2); System.out.print("Subtraction of Complex Nos = "); result.displayNos(); result.multiplyComplexNos(cno1,cno2); System.out.print("Product of Complex Nos = "); result.displayNos(); result.divideComplexNos(cno1,cno2); System.out.print("Division of Complex Nos = "); result.displayNos(); }}
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