JAVA
java
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// Created by vinay kumar singh
public class Document
{
String text;
public void setToString(String s){
this.text = s;
}
public String toString(){
return this.text;
}
}
public class Email extends Document
{
String sender;
String recipient;
String title;
String text1 = "Body Subclass.";
public String getSender()
{
return sender;
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