Java код не работи както трябва

[Гост]

import java.util.Arrays;


public class BinarySearch {

public static int rank(int key,int[] a){
int lo = 0;
int hi = a.length-1;
while(lo <= hi){
int mid = lo+(hi - lo)/2;
if(key > a[mid])hi = mid-1;
else if(key > a[mid])lo = mid+1;
else return mid;
}
return -1;
}
public static void main(String[] args){
int[] whitelist = In.readInts(args[0]);
Arrays.sort(whitelist);
while(!StdIn.isEmpty()){
int key = StdIn.readInt();
if(rank(key,whitelist)==-1);
Stdout.println(key);

}
}
}
Exception in thread "main" java.lang.Error: Unresolved compilation problems:
In cannot be resolved
StdIn cannot be resolved
StdIn cannot be resolved
Stdout cannot be resolved

[Реклама]

[Гост]

kato vlizam v tozi sait imam 4ustvoto 4e vlizam v grobi6te ,vazmojnoli e pone edin da ne razbira ot java,6to izob6to gi pravite takiva temi..

[Гост]