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Browse Courses17. What is exception handling? How is it implemented in Java? Exception handling manages runtime errors using try, catch, throw, throws, and finally. 18. Differentiate between throw and throws keywords. throw: Used to explicitly throw an exception. throws: Declares exceptions a method might throw. 19. What are checked and unchecked exceptions? Checked: Checked at compile-time […]
12. Describe the access modifiers in Java. Public: Accessible everywhere. Protected: Accessible within the same package and subclasses. Default: Accessible within the same package only. Private: Accessible within the same class only. 13. What is encapsulation? How is it implemented in Java? Encapsulation is bundling data (variables) and methods into a single unit (class). […]
7. What are constructors in Java? How are they different from methods? Constructors: Special methods to initialize objects. Name matches the class. No return type. Difference from methods: Methods perform actions; constructors initialize objects. 8. Explain method overloading and method overriding with examples. Overloading: Same method name, different parameters (compile-time polymorphism). java CopyEdit class […]
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