Retrofitting null-safety onto Java at Meta

We developed a new static analysis tool called Nullsafe that is used at Meta to detect NullPointerException (NPE) errors in Java code. Interoperability with legacy code and gradual deployment model were key to Nullsafe’s wide adoption and allowed us to recover some null-safety properties in the context of an otherwise null-unsafe language in a multimillion-line [...] Read More... The post Retrofitting null-safety onto Java at Meta appeared first on Engineering at Meta.
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