Top 20 Core Java Interview Questions & Answers for Selenium Automation Testing.ppt
What is Java? Java is a high-level, object-oriented programming language known for its platform independence and ability to run on various devices and operating systems. Explain Object-Oriented Programming (OOP) concepts. OOP concepts include encapsulation, inheritance, abstraction, and polymorphism, which allow you to structure and organize code efficiently. What is the difference between int and Integer in Java? int is a primitive data type, while Integer is a wrapper class for the int primitive type, allowing it to be used in object-oriented contexts.
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