DeflaterInputStream and InflaterOutputStream in Java

package com.concretepage;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.DeflaterInputStream;
import java.util.zip.DeflaterOutputStream;
public class DeflaterInputStreamTest {
    public static void main(String[] args) throws Exception {
        FileInputStream in = new FileInputStream("D:\\page\\file.txt");
        FileOutputStream out = new FileOutputStream("D:\\page\\file.dfl");
        DeflaterInputStream dis = new DeflaterInputStream(in);
        int ch=0;
        while ((ch = in.read())!=-1){
           ch = in.read();
           out.write(ch);
        }
        dis.close();
        in.close();
        out.close();
      }   
 }

package com.concretepage;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.zip.InflaterOutputStream;
public class InflaterOutputStreamTest {
    public static void main(String[] args) throws Exception {
        FileInputStream in = new FileInputStream("D:\\page\\file.dfl");
        FileOutputStream out = new FileOutputStream("D:\\page\\dfloutput.txt");
        InflaterOutputStream ios = new InflaterOutputStream(out);
        int ch=0;
        while ((ch = in.read())!=-1){
           ch = in.read();
           ios.write(ch);
        }
        ios.close();
        in.close();
        out.close();
      }   
 }