Decorator (Chapter 27)

SOLUTION 27.1One answer is: 
Writer out = new PrintWriter(System.out);
out = new WrapFilter(new BufferedWriter(out), 15);
((WrapFilter) out).setCenter(true);
out = new RandomCaseFilter(out);

Alternatively:

WrapFilter out =
    new WrapFilter(
        new BufferedWriter(
            new RandomCaseFilter(
                new PrintWriter(System.out))),
        15);
out.setCenter(true);

The com.oozinoz.applications package includes classes ShowFilters2 and ShowFilters3, which apply these two methods, respectively:

 package com.oozinoz.applications; import java.io.*; import com.oozinoz.io.*; public class ShowFilters3 { public static void main(String args[]) throws IOException { BufferedReader in = new BufferedReader(new FileReader(args[0])); WrapFilter out = new WrapFilter( ...

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