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public class ClassA {

private PrintWriter writer;

public void makeWriter (OutputStream os) {

writer = new PrintWriter(os);
//do something...

}
}



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public class ClassA {

private PrintWriter writer;

public void makeWriter (OutputStream os) {

writer = new PrintWriter(os);
//do something...

try {
writer.close();
} catch(IOException ioe) {
//perform exception handling
}
}
}