readdemo7.java

ＪＡＶＡ编写的一些源代码

import java.io.*;  //import语句用于加载类库
import mp.Op3;
public class ReadDemo7
{
        public static void main(String[] args) throws IOException
        {
           int x;
           float y;
           x=Op3.intValue();
           System.out.println(Math.abs(x));
           y=Op3.floatValue();
           System.out.println(Math.sqrt(y));
         }
 }