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Akash Sharma
Full Stack JavaScript Techdegree Student 14,147 PointsHow is this answer different from the video before?
public class CalculatorTest {
private Calculator calculator;
@Before
public void setUp() throws Exception {
calculator = new Calculator();
}
package com.example;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
public class CalculatorTest {
public Calculator calculator;
@Before
public void setUp() throws Exception {
calculator = new Calculator();
}
@Test
public void addingMultipleNumbersProducesResult() throws Exception {
Calculator calculator = new Calculator();
int answer = calculator.addNumbers(1 ,2, 3);
assertEquals(6, answer);
}
@Test
public void addingSingleNumberTotalsAppropriately() throws Exception {
Calculator calculator = new Calculator();
int answer = calculator.addNumbers(1);
assertEquals(1, answer);
}
}
package com.example;
public class Calculator {
public int addNumbers(int... numbers) {
int total = 0;
for (int number : numbers) {
total += number;
}
return total;
}
}
2 Answers

Kourosh Raeen
23,732 PointsYou should initialize the calculator object just once in the setUp() method.

Hannah Flynn
21,429 PointsThanks! It worked.
Hannah Flynn
21,429 PointsHannah Flynn
21,429 PointsCan you show me that in code mode?
Kourosh Raeen
23,732 PointsKourosh Raeen
23,732 PointsSure. Here's how it would look like: