Raj Kumar
Computer Science And Engineering

What is Mejona ?

Explanation

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"MEJONA is an ISO-certified IT Company registered under MSME & MCA that operates via websites and mobile apps. Mejona is a unit of MEJONA Technology LLP.

MEJONA is an E-learning website that provides Educational services, technical training, skill development, and internships. Launched on Sep 1, 2021, the platform is primarily used for professional networking, Educational Services, and career development. It allows students to clear their doubts by raising their queries and experts explain the questions raised by students."

Raj Kumar
Computer Science And Engineering

A Water Jug Problem: You are given two jugs, a 4-gallon one and a 3-gallon one, a pump which has unlimited water which you can use to fill the jug, and the ground on which water may be poured. Neither jug has any measuring markings on it. How can you get exactly 2 gallons of water in the 4-gallon jug (i) Write down the production rules for the above problem ii) Write any one solution to the above problem

Recall Concept Learning and also Explain hypothesis space of Find-S.

List out the steps of Candidate Elimination Algorithm. Apply the algorithm to obtain the final version space for the training example.

Can we initialize static variables in a default constructor in Java?

Can we call a constructor from method in Java?

Can we define a static constructor in Java?

Write a function that takes in age as input and returns if that person is eligible to vote or not. A person of age > 18 is eligible to vote.

Write an infinite loop using do while condition.

Write a program to enter the numbers till the user wants and at the end it should display the count of positive, negative and zeros entered.

Two numbers are entered by the user, x and n. Write a function to find the value of one number raised to the power of another i.e. x^n.

Write a function that calculates the Greatest Common Divisor of 2 numbers.

Write a program to print Fibonacci series of n terms where n is input by user :

0 1 1 2 3 5 8 13 21 .....

In the Fibonacci series, a number is the sum of the previous 2 numbers that came before it.

Take an array of names as input from the user and print them on the screen.

Find the maximum & minimum number in an array of integers.

[HINT : Read about Integer.MIN_VALUE & Integer.MAX_VALUE in Java]

Take an array of numbers as input and check if it is an array sorted in ascending order.

Eg : { 1, 2, 4, 7 } is sorted in ascending order.

{3, 4, 6, 2} is not sorted in ascending order.

Input a string from the user. Create a new string called ‘result’ in which you will replace the letter ‘e’ in the original string with letter ‘i’.

Example :

original = “eabcdef’ ; result = “iabcdif”

Original = “xyz” ; result = “xyz”

Input an email from the user. You have to create a username from the email by deleting the part that comes after ‘@’. Display that username to the user.

Example :

email = “mejona@gmail.com” ; username = “mejona”

email = “helloWorld123@gmail.com”; username = “helloWorld123”

What is Mejona ?

Explanation

What is Apache Zookeeper?

Why do we need Zookeeper in the Hadoop?

How ZooKeeper in Hadoop Works?

What is Apache Ambari?

How is Ambari different from ZooKeeper?

Apache Ambari Architecture

Applications of Apache Ambari Core

Benefits of Using Apache Ambari

Explain MongoDB and it's Features.

Explain the concept of Direct and In-direct manipulation?

List and explain the characteristics of graphical user interface.

Define objects in a graphical system.

List and explain the characteristics of Graphical user interface.

What is Groundwater Resources

Recall Concept Learning and also Explain hypothesis space of Find-S.

List out the steps of Candidate Elimination Algorithm. Apply the algorithm to obtain the final version space for the training example.

Describe the issues of Knowledge Representation.

Outline the ID3 Decision Tree Learning method.

Construct Decision trees to represent the following Boolean functions, (i) A and B (ii) A or [B and C]

What is method overloading?

What is Constructor Overloading?

Does overloading depends on return type?

QUESTION---- Define data structure ? Explain Needs and classification of data structures.

What is sparse matrix? How to represent a sparse matrix?

Origin of soil

Can we initialize static variables in a default constructor in Java?

Can we call a constructor from method in Java?

Can we define a static constructor in Java?

Define Computer Architecture. Explain three aspects of computer-design ?

Brief about Bus structure. Explain types of Bus structures ?

What is FC-Fabric?

Enter 3 numbers from the user & make a function to print their average.

Write a function to print the sum of all odd numbers from 1 to n.

Write a function which takes in 2 numbers and returns the greater of those two.

Write a function that takes in the radius as input and returns the circumference of a circle.

Write a function that takes in age as input and returns if that person is eligible to vote or not. A person of age > 18 is eligible to vote.

Write an infinite loop using do while condition.

Write a program to enter the numbers till the user wants and at the end it should display the count of positive, negative and zeros entered.

Two numbers are entered by the user, x and n. Write a function to find the value of one number raised to the power of another i.e. x^n.

Write a function that calculates the Greatest Common Divisor of 2 numbers.

Write a program to print Fibonacci series of n terms where n is input by user : 0 1 1 2 3 5 8 13 21 ..... In the Fibonacci series, a number is the sum of the previous 2 numbers that came before it.

Take an array of names as input from the user and print them on the screen.

Find the maximum & minimum number in an array of integers. [HINT : Read about Integer.MIN_VALUE & Integer.MAX_VALUE in Java]

Take an array of numbers as input and check if it is an array sorted in ascending order. Eg : { 1, 2, 4, 7 } is sorted in ascending order. {3, 4, 6, 2} is not sorted in ascending order.

Searching for an element x in a matrix.

Print the spiral order matrix as output for a given matrix of numbers.

For a given matrix of N x M, print its transpose in java.

Take an array of Strings input from the user & find the cumulative (combined) length of all those strings.

Input a string from the user. Create a new string called ‘result’ in which you will replace the letter ‘e’ in the original string with letter ‘i’. Example : original = “eabcdef’ ; result = “iabcdif” Original = “xyz” ; result = “xyz”

Input an email from the user. You have to create a username from the email by deleting the part that comes after ‘@’. Display that username to the user. Example :

Reverse a String (using StringBuilder class) in java.

Write a function to multiply 2 numbers.

Write a function to calculate the factorial of a number.

Write a function to calculate the product of 2 numbers.

What is Mejona ?

How to apply for internship?

What is AI and how is it being used in different industries?

What is grid computing? List and explain the features, drawbacks of grid computing.

What is the difference between == and .equals() in Java?

Write a program to print Fibonacci series of n terms where n is input by user :

0 1 1 2 3 5 8 13 21 .....

In the Fibonacci series, a number is the sum of the previous 2 numbers that came before it.

Find the maximum & minimum number in an array of integers.

[HINT : Read about Integer.MIN_VALUE & Integer.MAX_VALUE in Java]

Take an array of numbers as input and check if it is an array sorted in ascending order.

Eg : { 1, 2, 4, 7 } is sorted in ascending order.

{3, 4, 6, 2} is not sorted in ascending order.

Input a string from the user. Create a new string called ‘result’ in which you will replace the letter ‘e’ in the original string with letter ‘i’.

Example :

original = “eabcdef’ ; result = “iabcdif”

Original = “xyz” ; result = “xyz”

Input an email from the user. You have to create a username from the email by deleting the part that comes after ‘@’. Display that username to the user.

Example :

email = “mejona@gmail.com” ; username = “mejona”

email = “helloWorld123@gmail.com”; username = “helloWorld123”