FIT9131 PASS Week1 S2 2022

Java's programming paradigm, characterized by the use of objects to solve problems, is called:

• Object-based programming

• Object-centred programming

• Object-focused programming

• Object-oriented programming

Answer explanation

Java is an object-oriented programming language. Everything in java is an object, all the program codes and data resides within classes and objects

Which statement is true regarding an object?

• An object is a variable

• An object is an instance of a class

• An object is not an instance of a class

• An object is a reference to an attribute

Answer explanation

A class is a template or blueprint from which objects are created. When you create an object, you are creating an 'instance' (result) of a class.

Fill the Gap: A Java _______translates _______to machine code.

• Translator, bytecode

• Virtual Machine, Java source code

• Compiler, Java source code

• Virtual Machine, bytecode

Answer explanation

Java Virtual Machine (JVM) has both compiler and interpreter. Which compiler compiles the code and generates bytecode and interpreter converts bytecode to machine code so the computer can understand.

Which is/are true about Compiler? (multiple answers possible)

• Use batch processing.

• Use interactive processing.

• Translate entire code in one go.

• Translate one instruction at a time.

Which is/are true about Interpreter? (multiple answers possible)

• Use batch processing.

• Use interactive processing.

• Translate entire code in one go.

• Translate one instruction at a time.

What could be the attribute of Student?

• name

• study

• run

• student id

What could be the behaviour of a student?

• study

• age

• run

• name

In object oriented programming, mango is a/an ____ of class Fruits.

• attribute

• object

• behaviour

• another class

Which of the below is not part of the program execution process?

• Writing

• Checking

• Compiling

• Debugging

Answer explanation

Writing -> Compiling -> Debugging -> Executing