指令实际上包括两种信息即操作码和地址码

一条指令实际上包括两种信息即操作码和地址码。操作码（OperationCode，OP）用来表示该指令所要完成的操作（如加、减、乘、除、数据传送等），其长度取决于指令系统中的指令条数。

地址码用来描述该指令的操作对象，它或者直接给出操作数，或者指出操作数的存储器地址或寄存器地址（即寄存器名）。

package Com.TableText;

import java.io.BufferedInputStream;  
import java.io.BufferedOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileOutputStream;  
import java.util.zip.ZipEntry;  
import java.util.zip.ZipOutputStream;  
  
  
public class TableText_04 {  
    static final int BUFFER = 2048;  
      
    public static boolean zip( String[] filename ,String outname){  
          
        boolean test = true;  
        try {  
            BufferedInputStream origin = null;  
            FileOutputStream dest = new FileOutputStream(outname);  
            ZipOutputStream out = new ZipOutputStream(new BufferedOutputStream(  
                    dest));  
            byte data[] = new byte[BUFFER];  
     
              
            for (int i = 0; i < filename.length; i++) {  
                File file = new File(filename[i]);  
                FileInputStream fi = new FileInputStream(file);  
                origin = new BufferedInputStream(fi, BUFFER);  
                ZipEntry entry = new ZipEntry(file.getName());  
                out.putNextEntry(entry);  
                int count;  
                while ((count = origin.read(data, 0, BUFFER)) != -1) {  
                    out.write(data, 0, count);  
                }  
                origin.close();  
            }  
            out.close();  
        } catch (Exception e) {  
            test = false;  
            e.printStackTrace();  
        }  
        return test;  
    }  

      
    public static void main(String argv[]) {   
        String[] filenames = new String[]{"H:\\ch.doc"};  
        zip(filenames,"H:/ch.zip");  
    }  
}