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import java.io.CharArrayReader;
import java.io.CharArrayWriter;
import java.io.IOException;
public class Main {
public static void main(String args[]) throws IOException {
CharArrayWriter outStream = new CharArrayWriter();
String s = "This is a test.";
for (int i = 0; i < s.length(); ++i)
outStream.write(s.charAt(i));
System.out.println("outstream: " + outStream);
System.out.println("size: " + outStream.size());
CharArrayReader inStream;
inStream = new CharArrayReader(outStream.toCharArray());
int ch = 0;
StringBuffer sb = new StringBuffer("");
while ((ch = inStream.read()) != -1)
sb.append((char) ch);
s = sb.toString();
System.out.println(s.length() + " characters were read");
System.out.println("They are: " + s);
}
}
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