/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
class Base {
	private final String name;
	public String getName() {return name;}
	public Base(String name) {
		this.name = name;
	}
	public Base(Base b) {
		this(b.getName());
	}
}
 
class Derived extends Base {
	public String getName() {
		return "["+super.getName()+"]";
	}
	public Derived(String name) {
		super(name);
	}
	public Derived(Derived d) {
		this(d.getName());
	}
}
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception {
		Derived orig = new Derived("hello");
		Derived copy = new Derived(orig);
		System.out.println(orig.getName());
		System.out.println(copy.getName());
	}
}

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