/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
}
public static class Test{
private LinkedList<Integer> lst = new LinkedList<>();
public static Test of(int i){
Test t = new Test();
t.lst.addFirst(i);
return t;
}
}
}
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