File list (Check if you may need any files):
Hilos
.....\.classpath
.....\.project
.....\bin
.....\...\Hilos1.class
.....\...\Hilos2.class
.....\...\PrimerThread.class
.....\...\Principal.class
.....\...\Principal2.class
.....\...\PruebaEstados.class
.....\...\SegundoThread.class
.....\...\SimpleThread1.class
.....\...\SimpleThread2.class
.....\src
.....\...\Hilos1.java
.....\...\Hilos2.java
.....\...\Principal.java
.....\...\Principal2.java
.....\...\PruebaEstados.java
.....\...\SimpleThread1.java
.....\...\SimpleThread2.java