Descompactando varios arquivos de um zip

import java.io.*;
import java.util.zip.*;
import java.util.*;

class TestZip {
    public static void main(String[] args) {
        try {
            ZipFile zf = new ZipFile(C:\\Documents and Settings\\Usuário\\Desktop\\testando.zip);

            for (Enumeration entries = zf.entries(); entries.hasMoreElements();) {
                ZipEntry entry = (ZipEntry) entries.nextElement();
                System.out.println( entry.getName() );

                if( entry.isDirectory() ){
                    boolean ok = ( new File( "C:\\Documents and Settings\\Usuário\\Desktop\\Carioca", entry.getName() ) ).mkdirs();
                } else {
                    InputStream in = zf.getInputStream(entry);

                    OutputStream out = new FileOutputStream( new File ("C:\\Documents and Settings\\Usuário\\Desktop\\Carioca", entry.getName()) );

                    byte[] buf = new byte[1024];
                    int len;
                    while ((len = in.read(buf)) > 0) {
                        out.write(buf, 0, len);
                    }
                    in.close();
                    out.close();
                }
            }
        } catch(IOException ioex) {
            ioex.printStackTrace();
        }
    }
}

try { 
            
            ZipFile zf = new ZipFile( "C:Documents and SettingsUsuárioDesktopCarioca	estando.jar" ); 

            for (Enumeration entries = zf.entries(); entries.hasMoreElements();) { 
                
                ZipEntry entry = (ZipEntry) entries.nextElement(); 
                
                StringTokenizer str = new StringTokenizer( entry.getName(), "/", false ); 
                
                int cont = str.countTokens();
                String aux = "";
                
                for( int i = 0; i < cont - 1; i++ ){
                	
                   	aux += str.nextToken() + "";
                }
                	
                boolean ok = ( new File( "$PATH($P(absoluteInstallLocation))", aux ) ).mkdirs();
            
                InputStream in = zf.getInputStream(entry); 
                File filez = new File ( "$PATH($P(absoluteInstallLocation))", entry.getName());
                   
                
                OutputStream out = new FileOutputStream( filez ); 

                byte[] buf = new byte[1024]; 
                int len; 
                while ((len = in.read(buf)) > 0){ 
                	
                    out.write(buf, 0, len); 
                } 
                in.close(); 
                out.close(); 
            
            }
            
        } catch(IOException ioex) { 
            
            ioex.printStackTrace(); 
        }