BIT303 – OBJECT ORIENTED PROGRAMMING – JAVA

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PROGRAM

Bachelor of Science in Information Technology - B.SC(IT)

SEMESTER

III

SUBJECT CODE & NAME

BIT303 – OBJECT ORIENTED PROGRAMMING – JAVA

Qus:1 What are the different features of Java?

Answer: The Java buzzwords or features of Java

The fundamental forces that necessitated the invention of Java are portability and security but other factors also played an important role in molding the final form of the language. The key considerations that characterizes Java programming language are the following list of buzzwords:

Qus:2 Discuss different control flow statements in Java.

Answer: To control the flow of execution in a program the following statements are used:

1. Decision Making Statements

 If-else

Qus:3 Explain with example exception handling techniques.

Answer: Java creates an object of appropriate exception class whenever there a error occurs in your method. Once the exception objects are created it is passed to your program. This is called throwing an

Qus:4 What is a Java Virtual Machine (JVM)?

Answer: JVM (Java Virtual Machine) is an abstract machine, i.e., it is a software implementation of a computer that executes programs like a real machine. It specifies and provides runtime environment where java bytecode can be executed. Since JVM is a software implementation, it is written specifically for a specific operating system. So JVM is platform dependent because configuration of each OS differs. For example, a special implementation is required for Lin

Qus:5 What do you understand by enhance for statement?

Answer: An another form of for statement also exists. It

performs iteration

Qus:6 What are exception in Java? (Mention different types).

Answer: The term exception in Java means occurrence of an exceptional event. It is defined as abnormality that occurs while the program is in execution which hinders successful execution of the program, which means the way the program is meant to produce result it doesn’t do so. When you are developing apps Error Handling is very necessary. The abnormalities or

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