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Java 8 Online Test

Test duration:

35

min

Notes

No. of questions:

12

Tie

Level of experience:

Mid/Expert Level

Java 8 Test

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23654

+

Candidates
Assessed

120

+

Organizations Served

About

Java 8 Online Test

Core Java online test for experienced candidates helps technical recruiters and hiring managers to effortlessly assess the technical knowledge of senior candidates in Core Java. Java 8 online test is designed and validated by experienced Java experts to assess & hire Core Java developers per industry standards.

Why use iMocha’s core Java online test for experienced?

Core Java online test helps employers in many ways, including hiring job-fit experienced candidates within a short period, taking unbiased employee performance appraisal decisions, and reducing hassles in mass recruitment. This AI-powered Java 8 assessment test reduces technical screening time by 85%.

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Use iMocha's assessment to hire skill fit, remove bias, and save money!

How it works

Test Summary

Core Java assessment test helps to screen the candidates who possess traits as follows:

Extensive experience in implementing object-oriented concepts & knowledge
Ability to use advanced class features like polymorphism, class overriding, and interfacing to develop efficient and reusable code
Strong knowledge of Java 8 Lambda, Streams, Optional, and other Functional interfaces

Employers can use intelligent & powerful Test Insights that will help to identify job-fit candidates more accurately with score distribution & section analysis features. Assessing candidates with a Core Java online assessment test is secure and reliable. You can use our role-based access control feature to restrict system access based on the roles of individual users within the recruiting team. Features like window violation and webcam proctoring help detect cheating during the test.

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Java 8 online test is designed considering EEOC guidelines; it will help you assess & hire diverse talent without bias.

Java 8 test may contain MCQs (Multiple Choice Questions), MAQs (Multiple Answer Questions), Fill in the Blanks, Whiteboard Questions, Audio / Video Questions, LogicBox (AI-based Pseudo-Coding Platform), Coding Simulators, True or False Questions, etc.

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Test Duration

35

No. of Questions

12

Level of Expertise

Mid/Expert Level

Useful for hiring

Senior Java Developers
Java Expert
Java Programmers

Topics Covered

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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

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 Option

Topic:

Synchronization

Difficulty:

Easy

Question:

You are working with threads where a deadlock occurs. Which of the following statements will be correct in this scenario?

Options

Threads calling static synchronized methods in the same class won't lock each other.<br /> 
It occurs when a non-static synchronized method is invoked in the same class by using two different instances.<br /> 
A static synchronized method and non-static method will always block each other.<br /> 
It occurs when two threads callThread join() on each other.<br />

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ADP

Now my team of 25 recruiters has adopted this measure and it has done wonders for our clients. Thanks to the Customer Success Team of iMocha. They have shared the best practices of quick test creation and also helped us in training all our recruiters for various functionalities of the tool.

Client

Vipin Sharma,

Mobile Programming

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