testbigdecimal.java

来自「疯狂Java讲义_源码(含Java设计模式CHM」· Java 代码 · 共 31 行

import java.math.BigDecimal;
/**
 * Description:
 * <br/>Copyright (C), 2005-2008, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee [e-mail]
 * @version  1.0
 */
public class TestBigDecimal
{
	public static void main(String[] args) 
	{
		BigDecimal f1 = new BigDecimal("0.05");
		BigDecimal f2 = BigDecimal.valueOf(0.01);
		BigDecimal f3 = new BigDecimal(0.05);
		System.out.println("下面使用String作为BigDecimal构造器参数的计算结果：");
		System.out.println("0.05 + 0.01 = " + f1.add(f2));
		System.out.println("0.05 - 0.01 = " + f1.subtract(f2));
		System.out.println("0.05 * 0.01 = " + f1.multiply(f2));
		System.out.println("0.05 / 0.01 = " + f1.divide(f2));
		System.out.println("下面使用double作为BigDecimal构造器参数的计算结果：");
		System.out.println("0.05 + 0.01 = " + f3.add(f2));
		System.out.println("0.05 - 0.01 = " + f3.subtract(f2));
		System.out.println("0.05 * 0.01 = " + f3.multiply(f2));
		System.out.println("0.05 / 0.01 = " + f3.divide(f2));
	}
}