Clock
Test duration:
20
min
Notes
No. of questions:
10
Tie
Level of experience:
Entry/Mid/Expert

Java API Test

iMocha’s Java API test for an interview is the ideal pre-hire test for recruiters and hiring managers to assess candidates objectively. This test helps hire hiring API Developers, Java API Developers, and Senior Software Engineers. Our Java API quiz online test has helped our customers to reduce candidates' screening time by 80%.

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Candidates
Assessed
129
+
Organizations Served
Fujitsu
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Deloitte
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About

Java API Test for Interview

Java API test for an interview is created and validated by experienced Subject Matter Experts (SME) to check the Java API developers’ Java API development skills- per industry standards. The online Java API test for an interview helps recruiting teams & hiring managers assess the candidates’ skills in creating an API in Java.


Java Application Programming Interface (API), a part of Java Development Kit (JDK), includes everything from Java packages, classes, and interfaces with respective methods, fields, and constructors. There are two types of Java API: Official Core Java API, i.e., pre-built Core Java packages & Optional APIs that can be separately downloaded when needed.


Online Java test helps you to evaluate the technical as well as practical skills of candidates. Using powerful reporting, you can analyze the online Java API test thoroughly before an interview. Java API quiz online test results help you make a better hiring decision and predict the candidate’s performance. The online Java API test (for Interviews) enables employers and recruiters to identify & hire Java API developers with less time and effort.

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How it works

Test Summary

This Java API test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, AI-LogicBox, Coding Simulators, True or False Questions, etc.

The Java API online quiz test is designed considering EEOC guidelines; it will help you assess & hire diverse talent without bias.

Test Duration
20
No. of Questions
10
Level of Expertise
Entry/Mid/Expert
Useful for hiring
  • API Developer
  • Java API Developer
  • Senior Software Engineer
Topics Covered
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Java Security Login Context

Our Java API test for an interview helps recruiters and hiring managers to evaluate candidates’ understanding of LoginContext class, allowing them to manage authentications.

Stream Implementation

Our test checks the candidate’s understanding of stream API, which allows the sequence of objects in the pipeline to get desired output.
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RMI Server

This assessment helps to evaluate the candidate’s knowledge about Remote Method Invocation (RMI), which allows invoking methods on an object running in another java virtual machine.
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RMI Client

iMocha’s Java API tests for interview gauges candidates’ knowledge about Remote Method Invocation (RMI) clients by which distributed applications can be created in java.
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JMS

Our assessment evaluates the candidate’s knowledge of Java Message Service (JMS) API that gives the ability to create, send and read messages.
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Sample Question
Choose from our 100,000+ questions library or add your own questions to make powerful custom tests.

Question types :

Multiple Option

Topic:

Difficulty:

Hard


Q 1. You have been asked to train « Naive Bayes model for spam detection dataset

Using Python command, what wil you add in the given code at XXXX to deciore, it and train your modal for the given dataset?

import numpy os np

X= nporroyll 3. 2b[1 21 [2.21.[3,21)
Y= nporray(fi.a,a.1))

XXXX

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

from skinamnaive_bayas import

Gaussianna

otf = Gaussianne()

ceataie(x ¥)

Question types :

Multiple Option

Topic:

Machine teaming

Difficulty:

Hard


Q 1. Q2 Lets assume that you have 6 Pandas DataFrome(af) in the below tole.

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074

When the following commend is executed, what hoppens to the DatoFrome?

df= defiinat()
Y= nporray(fi.a,a.1))

Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
Index Code Open High
0 AAPL 19877 70074
1 AAPL 19877 70074
2 AAPL 19877 70074
3 AAPL 19877 70074
4 AAPL 19877 70074
it gives an error becouse of the third row which has on empty string.
None of these

Question types :

Multiple Answer

Topic:

Difficulty:

Easy

Question:

Why is remove() method not Generic in Map as well as in Collection?

Note: There can be multiple correct answers to this question.


Options

  • because you should be able to pass in any type of object to remove()
  • The object removed does not have to be the same type of the object that you pass in to remove()
  • because you should be able to pass in the only specific type of object to remove()
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Choose easy, medium, or tricky questions from our skill libraries to assess candidates of different experience levels.
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questions to the test

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Mobile Programming
FAQ
What is Data Science?
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