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1)Driffience between Abstract class &
Interface.
-abstract class
represents property
&
behaviour of an object
whereas
interface
represents
behaviour
of an object.
2)Driffience between equal() vs ==operator.
equal() is
an object class method
whereas
equal() of string class
override
the object class equal().
3)can we use pointer's in Java.
Not explicitly but implicitly we can use pointer's in java.
Dynamic m/m refers with help of pointer's but java does not support the pointer's.
when we r creating an object in java refrence varaible of an object holds the identity that is nothing but an implicit pointer that holds an unique identity of an object.
4)How we can print object ID.
-Object ID printed with help of object class which is a service provider class having 9().
5)what is object class.
-it is a super class of all predefined & userdefined class.
6)Write a prog to get name of main thread in java.
-class A
{
psvm(String args [])
{
s.o.pln(Thread.currentThread().getName());
}
}
7)length vs length()
-length
is
data menmber
of proxy class
whereas
length() is a string class().
JVM is an abstract machine that executes Java bytecode.
JVM stands for Java Virtual Machine.
It is responsible for interpreting and executing Java bytecode.
JVM provides platform independence to Java programs.
It has its own memory management system and garbage collector.
JVM can be implemented on different operating systems.
Examples of JVM languages include Java, Kotlin, and Scala.
Top trending discussions
It was easy to answer all the questions,basics of aptitude
There were 10 members in the gd and it went smoothly
I applied via Approached by company and was interviewed in Dec 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2024. There were 3 interview rounds.
SAGA pattern is a design pattern used in microservices architecture to manage distributed transactions.
SAGA pattern breaks down a long-running transaction into a series of smaller, independent transactions.
Each step in the SAGA pattern is a separate service that communicates with other services through events.
If a step fails, compensating transactions are executed to rollback the changes made by previous steps.
Example:...
API stands for Application Programming Interface. It defines the methods and data formats that applications can use to communicate with each other.
API is a set of rules and protocols that allows different software applications to communicate with each other.
To secure an API, you can use authentication methods like OAuth, API keys, or JWT tokens.
Implementing encryption (HTTPS) and rate limiting can also enhance API secu...
I applied via LinkedIn and was interviewed in Apr 2024. There were 2 interview rounds.
I applied via Approached by Company and was interviewed in Jan 2022. There were 2 interview rounds.
Online hackerrank test on Angular and Java
I applied via Naukri.com and was interviewed in Sep 2022. There were 3 interview rounds.
Date -2 march 2023 ,Time 2-5pm , topics-Java
I applied via Recruitment Consulltant and was interviewed in Sep 2024. There were 2 interview rounds.
Find the second largest element from array of strings
Sort the array in descending order
Access the element at index 1 to get the second largest element
Failsafe integrators prioritize system stability by handling errors gracefully, while fail fast integrators prioritize quick detection and resolution of errors.
Failsafe integrators focus on ensuring the system continues to function even in the presence of errors.
Fail fast integrators aim to quickly identify and address errors to prevent further issues.
Failsafe integrators often use techniques like retries, circuit brea...
I applied via Approached by Company and was interviewed in Feb 2024. There was 1 interview round.
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