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What is the difference between pass by value and pass by reference.

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2 answers published. Last candidate submission on Jul 19 2026, 9:16am PDT. Interview question asked to Software Engineers interviewing at Shopify, Virta, Medtronic and other companies. Original question asked: What is the difference between pass by value and pass by reference.. Question last reported by a candidate interviewing at Juniper Networks for a Software Engineer interview on May 31 2026, 11:28am PDT.