JAVA CONCEPTS

Important Java Mcq 1

Which of the below is not a Java Profiler?

a) JProfiler

b) Eclipse Profiler

c) JVM

d) JConsole

Answer

c) JVM

Explanation:

JVM is not a profiler. JVM is responsible for executing the java program line by line hence it is also known as interpreter.

Prototype of a function means _____

a) Name of the function b) signature of the function c) Declaration of function d) Input/output of the function Answer b) signature of the function

Which of the following statements is incorrect with respect to overriding?

a. When overriding a method, the names and type signatures of the override method must be the same as the virtual method that is being

The expression “java” + 1 + 2 + 3 evaluates to ________.

a. java5 b. java123 c. java12 d. Error Answer: b. java123 Explanation: In java, whenever we concatenate string followed by integers, all the integers get

How to send data in get() method?

a. Through URL b. Through payload c. We can’t d. None of these Answer: a. Through URL Explanation Data can be sent in get() method