编程珠玑开篇--磁盘文件排序问题

/**
*
* @author xuxh
* 700以内无重复数字，排序输出，利用视图概念
*
*/
public class FileSort {
byte[] bytes ;
int[] oldValues = {3,8,1,210,23,234,555,66,267,235,623};
public void initialize(){
bytes = new byte[100];
}

public void valuation(){
for(int i=0;i<oldValues.length;i++){
int value = oldValues[i];
bytes[value/7] += 1<<(value%7);
}
}

public void output(){
for(int i=0;i<bytes.length;i++){
for(int j=0;j<7; j++){
if(bytes[i]%2==1){
System.out.print(i*7 + j + " ");
}
bytes[i] >>= 1;
}
}
}

public static void main(String[] args) {
FileSort fileSort = new FileSort();
fileSort.initialize();
fileSort.valuation();
fileSort.output();
}
}