package Ġio . kom mon s . design patterns . singleton Ċ Ċ class ĠThread Safe Lazy Loaded Iv ory Tower Test ĊĠĠĠ Ġ: ĠAbstract Singleton Test < Thread Safe Lazy Loaded Iv ory Tower >({ ĠThread Safe Lazy Loaded Iv ory Tower . getInstance () Ġ}) Ġ