qq_45451226的博客

package com.liao.day05 class CmpInt(a:Int,b:Int){ def bigger()={ if (a>b) a else b } } /* * 上界(Upper Bonds): * <: * 相当于这个T是Comparable的子类 */ class CmpComm1[T <: Comparable[T]](o1:T,o2:T){ def bigger()={ if (o1.compareTo(o

package com.liao.day05 import java.io.{BufferedReader, File, FileReader} import scala.io.Source class RichFile(file:File){ //定义方法返回文件的行数 def count():Int={ val fileReader=new FileReader(file) val bufferedReader = new BufferedReader(fileReade