How to fix 'constructor cannot be applied to given types' error in Java?

Question

I was making a class of functions to be performed on complex numbers. When I create a new object I get the following error:

error: constructor ComplexNumbers in class ComplexNumbers cannot be applied to given types; ComplexNumbers c1 = new ComplexNumbers(real1, imaginary1); ^ required: no arguments found: int,int reason: actual and formal argument lists differ in length

error: constructor ComplexNumbers in class ComplexNumbers cannot be applied to given types; ComplexNumbers c2 = new ComplexNumbers(real2, imaginary2); ^ required: no arguments found: int,int reason: actual and formal argument lists differ in length

2 errors

Code from main

    int real1 = s.nextInt();
    int imaginary1 = s.nextInt();

    int real2 = s.nextInt();
    int imaginary2 = s.nextInt();

    ComplexNumbers c1 = new ComplexNumbers(real1, imaginary1);
    ComplexNumbers c2 = new ComplexNumbers(real2, imaginary2);

Constructor code

public void ComplexNumbers(int real, int imaginary){
    this.real=real;
    this.imaginary=imaginary;
    return;
}

a constructor has no return type. the posted code should not pass compilation — Sharon Ben Asher
– Sharon Ben Asher, Commented May 13, 2019 at 7:23

barbsan · Accepted Answer · 2019-05-13 07:47:42Z

1

This is what a constructor will look like for ComplexNumbers with two int parameters:

public ComplexNumbers(int real, int imaginary){
}

edited May 13, 2019 at 7:47

barbsan

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answered May 13, 2019 at 7:24

J_D

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J_D Over a year ago

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