import java.io.*;
import java.util.*;
public class X
{
public static void main(String[] args)
{
BufferedReader in = new BufferedReader(new FileReader("\chisla.txt"));
//как их связать???
int [] array = {...};
int max = 0;
for (int i=0; i<array.length; i++)
{
if(max<array[i])
max = array[i];

}
System.out.println("Max: "+max);
}
}