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Is it possible to use this() and super() both in same constructor?
OpenAnonymous asked 4 years ago • Java
344 views0 answers0 votes
What is the purpose of ‘super’ keyword in java?
OpenAnonymous asked 4 years ago • Java
260 views0 answers0 votes
If there are no pointers in Java, then why do we get NullPointerException?
OpenAnonymous asked 4 years ago • Java
214 views0 answers0 votes
Why there are no pointers in Java?
OpenAnonymous asked 4 years ago • Java
259 views0 answers0 votes
How aggregation and composition are different concepts?
OpenAnonymous asked 4 years ago • Java
273 views0 answers0 votes
In OOPS, what is meant by composition?
OpenAnonymous asked 4 years ago • Java
201 views0 answers0 votes
Why Java does not support multiple inheritance?
OpenAnonymous asked 4 years ago • Java
214 views0 answers0 votes
Which class in Java is superclass of every other class?
OpenAnonymous asked 4 years ago • Java
300 views0 answers0 votes
Explain the concept of Inheritance?
OpenAnonymous asked 4 years ago • Java
236 views0 answers0 votes
What is the purpose of ‘this’ keyword in java?
OpenAnonymous asked 4 years ago • Java
233 views0 answers0 votes
Why constructors cannot be final, static, or abstract in Java? Inheritance
OpenAnonymous asked 4 years ago • Java
190 views0 answers0 votes
Can we inherit a Constructor?
OpenAnonymous asked 4 years ago • Java
238 views0 answers0 votes
What is the value returned by Constructor in Java?
OpenAnonymous asked 4 years ago • Java
214 views0 answers0 votes
Why do we need default constructor in Java classes?
OpenAnonymous asked 4 years ago • Java
220 views0 answers0 votes
Why do we need constructor in Java?
OpenAnonymous asked 4 years ago • Java
244 views0 answers0 votes
In Java what is the default value of an object reference defined as an instance variable in an Object?
OpenAnonymous asked 4 years ago • Java
249 views0 answers0 votes
What is the difference between Object Oriented Programming language and Object Based Programming language?
OpenAnonymous asked 4 years ago • Java
192 views0 answers0 votes
What are the main principles of Object Oriented Programming?
OpenAnonymous asked 4 years ago • Java
210 views0 answers0 votes
What is the difference between byte and char data types in Java? OOPS?
OpenAnonymous asked 4 years ago • Java
266 views0 answers0 votes
Let say, we run a java class without passing any arguments. What will be the value of the String array of arguments in the Main method?
OpenAnonymous asked 4 years ago • Java
500 views0 answers0 votes
In Java, if we do not specify any value for local variables, then what will be the default value of the local variables?
OpenAnonymous asked 4 years ago • Java
448 views0 answers1 votes
Can we write main method as public void static instead of public static void?
OpenAnonymous asked 4 years ago • Java
263 views0 answers0 votes
Do you think ‘main’ used for main method is a keyword in Java?
OpenAnonymous asked 4 years ago • Java
308 views0 answers0 votes
How does ClassLoader work in Java?
OpenAnonymous asked 4 years ago • Java
354 views0 answers0 votes
Why people say that Java is ‘write once and run anywhere’ language?
OpenAnonymous asked 4 years ago • Java
251 views0 answers0 votes
How Java platform is different from other platforms?
OpenAnonymous asked 4 years ago • Java
188 views0 answers0 votes
What is JIT compiler?
OpenAnonymous asked 4 years ago • Java
205 views0 answers0 votes
What are the different types of memory areas allocated by JVM?
OpenAnonymous asked 4 years ago • Java
250 views0 answers0 votes
What is Java Virtual Machine (JVM)?
OpenAnonymous asked 4 years ago • Java
274 views0 answers0 votes
What is the difference between JDK and JRE?
OpenAnonymous asked 4 years ago • Java
420 views0 answers0 votes
Code for logistic regression?
OpenAnonymous asked 4 years ago • Artificial Intelligence, Machine Learning, & Deep Learning
659 views1 answers0 votes
Code for linear regression?
OpenAnonymous asked 4 years ago • Artificial Intelligence, Machine Learning, & Deep Learning
530 views1 answers0 votes
Code for covariance?
OpenAnonymous asked 4 years ago • Artificial Intelligence, Machine Learning, & Deep Learning
484 views1 answers0 votes
Operators in Cpp?
OpenAnonymous asked 4 years ago • Cpp Language
391 views1 answers0 votes
_______are used for specifying column or a field type in a Hive tables?
OpenAnonymous asked 4 years ago • Data Science
398 views1 answers0 votes
If the database contains some tables then it can be forced to drop without dropping the tables by using the keyword?
OpenAnonymous asked 4 years ago • Data Science
514 views1 answers0 votes
___________is used to develop SQL type scripts for Map Reduce operations?
OpenAnonymous asked 4 years ago • Data Science
357 views1 answers0 votes
The results of a hive query can be stored as?
OpenAnonymous asked 4 years ago • Data Science
4654 views1 answers0 votes
A database in Hive is a ________or a _____ of tables?
OpenAnonymous asked 4 years ago • Data Science
517 views1 answers0 votes
Tables or partitions are sub-divided into______?
OpenAnonymous asked 4 years ago • Data Science
415 views1 answers0 votes
Complex Data Types are______?
OpenAnonymous asked 4 years ago • Data Science
285 views0 answers0 votes
In writing query _____is called once for each row in the result dataset?
OpenAnonymous asked 4 years ago • Data Science
526 views1 answers0 votes
The position of a specific column in a Hive table?
OpenAnonymous asked 4 years ago • Data Science
2335 views1 answers-2 votes
Logical separation of data based on classification of given information is?
OpenAnonymous asked 4 years ago • Data Science
345 views1 answers0 votes
Which kind of keys(CONSTRAINTS) Hive can have?
OpenAnonymous asked 4 years ago • Data Science
3967 views1 answers0 votes
Initially the hive is developed by_______?
OpenAnonymous asked 4 years ago • Data Science
522 views1 answers0 votes
In Hive user can define own functions these are known as______?
OpenAnonymous asked 4 years ago • Data Science
520 views1 answers0 votes
When the internal table is dropped, it drops ____________ as well as ____________ ?
OpenAnonymous asked 4 years ago • Data Science
421 views1 answers0 votes
Arity in c++, why it is used?
OpenAnonymous asked 4 years ago • Cpp Language
369 views0 answers0 votes
Which of the following command is correct when you want to fetch documents from a collection for only those employees whose salary is either 8500 or 10000
OpenAnonymous asked 4 years ago • Data Science
1115 views0 answers2 votes
What does the following command do? db.employees.find().skip(5).limit(5)
OpenAnonymous asked 4 years ago • Data Science
1874 views1 answers0 votes
OLAP systems commonly process workloads in ______ ?
OpenAnonymous asked 4 years ago • Data Science
284 views0 answers0 votes
Transactional workloads comprise random read/write that involve _____ joins than business intelligence and reporting workloads?
OpenAnonymous asked 4 years ago • Data Science
499 views1 answers0 votes
Real time mode address ________ characteristics of big datasets
OpenAnonymous asked 4 years ago • Data Science
352 views1 answers0 votes
Which command in MongoDB is equivalent to SQL select?
OpenAnonymous asked 4 years ago • Data Science
665 views1 answers0 votes
Core MongoDB operations are:
OpenAnonymous asked 4 years ago • Data Science
401 views1 answers0 votes
Operational BI/analytics are generally conducted in ______ mode?
OpenAnonymous asked 4 years ago • Data Science
285 views0 answers0 votes
Graph model is a framework for absorbing both ___ and ___ data from various sources?
OpenAnonymous asked 4 years ago • Data Science
342 views1 answers0 votes
MongoDB enforces attributes similarly across documents in a collection?
OpenAnonymous asked 4 years ago • Data Science
638 views0 answers1 votes
Which of the following is the correct command to insert data into MongoDB? Assume that document is a valid JSON document?
OpenAnonymous asked 4 years ago • Data Science
2795 views1 answers0 votes
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