calculator.java

来自「使用junit进行单元测试的例子」· Java 代码 · 共 34 行

package com.test.junit3;

/**
 * 数学计算
 */
public class Calculator
{
	public int add(int a, int b)
	{
		return a + b;
	}

	public int minus(int a, int b)
	{
		return a - b;
	}

	public int multiply(int a, int b)
	{
		return a * b;
	}

	public int divide(int a, int b) throws Exception
	{
		if(0 == b)
		{
			throw new Exception("除数不能为零！");
		}
		
		return a / b;
	}
	
}