Programing Assignment Sample

Sample 1

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Object-oriented programming (OOP) is a paradigm that emphasizes objects and their interactions to design software. Java uses OOP principles like inheritance, encapsulation, abstraction, and polymorphism to promote modularity, code reusability, and maintainability. For instance, encapsulation ensures that object data is accessed only through methods, safeguarding data integrity. Inheritance allows classes to reuse features of existing ones, reducing redundancy. Polymorphism enables a single interface to represent different data types, enhancing flexibility. These principles make Java a powerful tool for building scalable, secure, and efficient applications, especially for enterprise-level projects.

Sample 2

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In Java, interfaces define a contract for implementing classes, specifying method signatures without providing implementations. Interfaces are entirely abstract and support multiple inheritance, allowing classes to implement several interfaces simultaneously. For instance:

interface Animal { void sound(); }
Abstract classes, on the other hand, can include both abstract and concrete methods and are used when classes share some functionality but also require specific behaviors. Unlike interfaces, a class can extend only one abstract class. This distinction enables Java to balance flexibility and structure, depending on application requirements.

Sample 3

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Exceptions in Java represent runtime errors that disrupt program execution. Examples include ArithmeticException, IOException, and NullPointerException. Exception handling ensures the program continues running gracefully despite errors. Java provides a robust mechanism using try, catch, finally, and throw blocks. For instance:

try {
int result = 10 / 0;
} catch (ArithmeticException e) {
System.out.println("Cannot divide by zero!");
}
This approach separates error-handling logic from business logic, enhancing code readability and reliability. It prevents abrupt program termination and allows developers to manage errors effectively.

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Assignment sample solution of ITC5203 - Advanced Java Programming

Programing Assignment Sample

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