import java.util.*;
import java.lang.*;
import java.io.*;
class Ideone
{
class Parent {
public Parent() {
System.
out.
println("Greetings, underlings!"); }
}
class Child extends Parent {
public Child() {
this("Hi single-arg child!");
System.
out.
println("This is no-arg child"); }
System.
out.
println("This is single-arg child"); }
}
{
Ideone one = new Ideone();
Child c = one.new Child();
}
}
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