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Java Programming Concepts Quiz

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What is the purpose of using packages in Java?

To reduce the size of the source code

To simplify the syntax of Java programs

To organize classes and interfaces into namespaces (correct)

To increase the speed of the program execution

What is the difference between function overriding and overloading in Java?

Overriding is redefining a method in a subclass with the same signature, while overloading is having multiple methods with the same name but different parameters (correct)

Overriding is having multiple methods with the same name but different parameters, while overloading is redefining a method in a subclass with the same signature

Overriding and overloading cannot be used simultaneously in Java

Overriding and overloading are the same concepts in Java

What is Exception Handling in Java?

It is a way to completely eliminate errors from Java programs

It is a technique to handle compile-time errors during program execution

It is used to enhance the performance of the program by handling exceptions at compile time

It is a mechanism to handle runtime errors to prevent abrupt termination of the program (correct)

What is the purpose of LayoutManager in Java?

To define the layout of components within a container Signup and view all the answers

What are primitive and non-primitive datatypes in Java?

Primitive datatypes are basic data types like int, float, boolean; non-primitive datatypes are references to objects Signup and view all the answers

What is the difference between function overriding and overloading?

Function overriding is when a subclass provides a specific implementation for a method that is already provided by its parent class, while function overloading is when multiple methods have the same name but different parameters. Signup and view all the answers

What is Exception Handling in Java?

Exception Handling is the process of handling runtime errors to maintain the normal flow of the program. Signup and view all the answers

What are primitive and non-primitive data types in Java?

Primitive data types are basic data types like int and char, while non-primitive data types are derived from primitive types. Signup and view all the answers