Object Oriented Programming -I — Summer 2022

List out features of Java. Explain any two features.

Write a single program which demonstrates the usage of following keywords:

import, ii) new, iii) this, iv) break, v) continue Show how to compile and run the program in java.

Demonstrate use of try-catch construct in case of hierarchical Exception Handling. (i.e handling various exception belongs to the exception hierarchy)

Explain following Java keywords using appropriate examples:

static, ii) final, iii) super

Consider class Aas the parent of class B. Explain among the following which statement will show the compilation error.

Aa = new A(); ii) Aa = new B(); iii) Bb = new A(); iv) Bb = new B();

Write a java program to take infix expressions and convert it into prefix expressions.

Write a java program that evaluates a math expression given in string form from command line arguments.

Defines types of inheritance.

Explain the following constructors using appropriate example:

Default constructor and Parameterised constructor ii) Shallow copy and Deep copy constructor

Explain file io using byte stream with appropriate example. hint: use FileInputStream, FileOutputStream

Define types of polymorphism

Explain the following:

Arguments and Parameters of a function ii) Pass by Value and Pass by reference1

Explain file io using character stream with appropriate example. hint: use FileReader, FileWriter

Define Encapsulation and access specifier

Explain multithreading using Thread class

Write a short note on Java Collections.

Differentiate between Abstract class and Interfaces

Explain multithreading using Runnable interface

Write a program to add input elements in ArrayList collection class, then sort the inserted elements in descending order and display the sorted output. hint: use Collections.reverseOrder()

Explain following Java keywords using appropriate examples:

throw, ii) throws, iii) finally

In multi-threading using Thread class, explain with an example how a start() method call invokes the run method of the class extending Thread class.

Write a short note on JAVAFX controls.

Explain thread life cycle

In multi-threads using the Runnable interface, explain with an example how a start() method calls the run() method of a class implementing a runnable interface.

Develop a GUI based application using JAVAFX controls.