Eclipse直接运行算法第4版例子（重定向和读取指定路径文件）

package algs.search;

import java.util.Arrays;

import edu.princeton.cs.algs4.In;

import edu.princeton.cs.algs4.StdIn;

import edu.princeton.cs.algs4.StdOut;

public class BinarySearch {

    public static int rank(int key, int[] a)

    {

        int lo = ;

        int hi = a.length - ;

        while(lo <= hi) {

            int mid = lo + (hi - lo) / ;

            if(key < a[mid]) hi = mid - ;

            else if(key > a[mid]) lo = mid + ;

            else return mid;

        }

        return -;

    }

    public static void main(String[] args) {

        @SuppressWarnings("deprecation")

        int[] whitelist = In.readInts(args[]);

        Arrays.sort(whitelist);

        while(!StdIn.isEmpty()) {

            int key = StdIn.readInt();

            if(rank(key, whitelist) < )

                StdOut.println(key);

        }

    }

}