Java Program for Convert File To ZIP file

• Students Tutorial

FarToCel.java

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
 
public class FileZip {
 
    public void zipFile(String filePath){
         
        FileOutputStream fos = null;
        ZipOutputStream zipOut = null;
        FileInputStream fis = null;
        try {
            fos = new FileOutputStream("d:/AcceleratorMonitor.zip");
            zipOut = new ZipOutputStream(new BufferedOutputStream(fos));
            File input = new File(filePath);
            fis = new FileInputStream(input);
            ZipEntry ze = new ZipEntry(input.getName());
            System.out.println("Zipping the file: "+input.getName());
            zipOut.putNextEntry(ze);
            byte[] tmp = new byte[4*1024];
            int size = 0;
            while((size = fis.read(tmp)) != -1){
                zipOut.write(tmp, 0, size);
            }
            zipOut.flush();
            zipOut.close();
        } catch (FileNotFoundException e) {
           
            e.printStackTrace();
        } catch (IOException e) {
           
            e.printStackTrace();
        } finally{
            try{
                if(fos != null) fos.close();
                if(fis != null) fis.close();
            } catch(Exception ex){
                 
            }
        }
    }
     
    public static void main(String a[]){
         
        FileZip mfe = new FileZip();
        mfe.zipFile("d:/AcceleratorMonitor.java");
    }
}

JAVA program to convert multiple file to zip

MultipleFileZip.java

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;
 
public class MultipleFileZip {
 
    public void zipFiles(List<String> files){
         
        FileOutputStream fos = null;
        ZipOutputStream zipOut = null;
        FileInputStream fis = null;
        try {
            fos = new FileOutputStream("d:/testing.zip");
            zipOut = new ZipOutputStream(new BufferedOutputStream(fos));
            for(String filePath:files){
                File input = new File(filePath);
                fis = new FileInputStream(input);
                ZipEntry ze = new ZipEntry(input.getName());
                System.out.println("Zipping the file: "+input.getName());
                zipOut.putNextEntry(ze);
                byte[] tmp = new byte[4*1024];
                int size = 0;
                while((size = fis.read(tmp)) != -1){
                    zipOut.write(tmp, 0, size);
                }
                zipOut.flush();
                fis.close();
            }
            zipOut.close();
            System.out.println("Done... Zipped the files...");
        } catch (FileNotFoundException e) {
           
            e.printStackTrace();
        } catch (IOException e) {
            
            e.printStackTrace();
        } finally{
            try{
                if(fos != null) fos.close();
            } catch(Exception ex){
                 
            }
        }
    }
     
    public static void main(String a[]){
         
        MultipleFileZip mfe = new MultipleFileZip();
        List<String> files = new ArrayList<String>();
        files.add("d:/Main.java");
        files.add("d:/MyDeadlock.java");
        files.add("d:/StackSort.java");
        mfe.zipFiles(files);
    }
}