Software Engineering-II Introduction to OOP (JAVA)

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Q 1) Which of the following option leads to the portability and security of Java? *

1 point

A. Bytecode is executed by JVM

B. The applet makes the Java code secure and portable

C. Use of exception handling

D. Dynamic binding between objects

Q 2) Which of the following is not a Java features? *

1 point

A. Dynamic

B. Architecture Neutral

C. Use of pointers

D. Object-oriented

Q 3) *

1 point

A. Instance block, method, static block, and constructor

B. Method, constructor, instance block, and static block

C. Static block, method, instance block, and constructor

D. Static block, instance block, constructor, and method

Q 4) What will be the output of the following *

1 point

A. 1. 10, 5, 0, 20, 0

B. 10, 30, 20

C. 60, 5, 0, 20

D. 60, 30, 0, 20, 0

Q 5) The \u0021 article referred to as a *

1 point

A. Unicode escape sequence

B. Octal escape

C. Hexadecimal

D. Line feed

Q 6) _____ is used to find and fix bugs in the Java programs. *

1 point

A. JVM

B. JRE

C. JDK

D. JDB

Q 7) Which of the following is a valid declaration of a char? *

1 point

A. char ch = '\utea';

B. char ca = 'tea';

C. char cr = \u0223;

D. char cc = '\itea';

Q 8) What is the return type of the hashCode() method in the Object class? *

1 point

A. Object

B. int

C. long

D. void

Q 9) Which of the following is a valid long literal? *

1 point

A . ABH8097

B. L990023

C. 904423

D. 0xnf029L

Q 10) What does the expression float a = 35 / 0 return?

1 point

A. 0

B. Not a Number

C. Infinity

D. Run time exception

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