val x
= new TreeMap
[Int, String
]() x.put(5, "Hello")
println(x.size())
println(x.get(5))
x.remove(5)
println(x.size())
println(x.get(5))
}
aW1wb3J0IGphdmEudXRpbC5UcmVlTWFwCgpvYmplY3QgTWFpbiBleHRlbmRzIEFwcCB7Cgl2YWwgeCA9IG5ldyBUcmVlTWFwW0ludCwgU3RyaW5nXSgpCgl4LnB1dCg1LCAiSGVsbG8iKQoJcHJpbnRsbih4LnNpemUoKSkKCXByaW50bG4oeC5nZXQoNSkpCgl4LnJlbW92ZSg1KQoJcHJpbnRsbih4LnNpemUoKSkKCXByaW50bG4oeC5nZXQoNSkpCn0=