Selected Java Interview Questions
Jul 14, 2024 · Backend Development
Understanding NullPointerException in Java String Switch Statements
The article explains why a NullPointerException occurs when a null String is used in a switch statement, detailing the underlying equals() and hashCode() calls, the required preconditions, and how Java compiles String switches, supplemented with illustrative code examples.
Backend DevelopmentJavaNullPointerException
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