doubletest.java

编程之道--java程序设计入门源代码

/*
*测试double型数据类型
*/
public class DoubleTest
{
	public static void main(String[] args)
	{
		double x = 22;
		double y = 42.6D;
		double z = x*y;
    System.out.println("double型x=" + x);
		System.out.println(x + "*" + y + "=" + z);
	}
}