String vs String buffer Final vs finally Multiple inheritance Diamond problem Abstract method vs default method Threads Synchronise block Private constructed Design patterns Singleton pattern Factory pattern Array list vs linked list Hash map vs hash table Concurrent Comparator vs comparable
** Other ways Singleton design pattern can break : 1. Serialization : while deserializing, new object will get created. To prevent, override readResolve( ) method, and return the only instance. 2. Reflection : by getting a handle on the Class object, one can change the accessibility of the constructor from private to public and create object. To prevent, throw RuntimeException from constructor if instance already exists. ** Runnable is not Marker interface, it is Functional interface (only one abstract method). Marker interfaces are those that have no method, no field, used only to declare that a certain class will have a certain characteristics ( example - Cloneable, Serializable )
in runnable case, you have to create object of thread. runnable is functional interface not marker interface . you should check equals and hash code contract as well as comparable and comparator. it felt like L1 interview.
Few corrections to others who are watching this audio Question i understood was how to break a Singleton pattern and not describe different ways of creating Singleton 9.28 @Autowired is different than what you explained Spring Security authentication : how do you authenticate each and every user and how is it mapped to access token? Arraylist vs linkedlist has 6 to 7 differences
Hi Mansi ,first of all thankq because of your vidoes i could answer spring boot and clear interview 🤣 but i don't have spring boot knowledge will I be able to survive in new company
Just a question we're you in ninja Cadre or the digital Cadre as even I have 2 years of experience in tcs but while trying to switch none of there service based company is providing more than 40 percentage of hike and my current ctc is very low can you please advise how to handle this situation as my knowledge is good so I am able to Crack the interviews but the salary negotiation part is bit difficult for me .
Let me add one more correction We can use finally without catch block but we would have to add finally with try in that situation ❤️ Why multiple inheritance is not possible If I made class A and Class B Which is having same method And I made one class C which is inherited class A and Class B then because of same method in both class the Class C would be confuse about class A and Class B which method has to be Access that's diamond problem and because of that multiple inheritance is not possible in java We can achieve it via interface
It was an year back, when people with 3 years experience were not ready to join at 15, there expectations was beyond 15. Btw nothing is scripted here. Its for helping us all. Hope you understand
It's good to help people and share your experiences and help them in getting good offers. But is it ethical to record companies interview like this? I am wondering how would HR react to this if they comes to know about this.
@Shafali yes you are right that it's not ethical to record such interviews for any personal gain for interviewee or officially for any company. During COVID people record such interviews. During FTF they cannot do that leave alone upload such recordings. Interviewers can object to these. But few companies too record these interviews for HR reasons and it's not ethical too unless the candidate is an employee. As fas as it's not objectionable or defacing the company name, they usually don't mind as it's not violating any copyrights. Companies will be happy that they are getting publicity on social media. That too FREE.
I got a mail today from a big MNC which headline is selection mail And inside there this is mentioned "Dear Candidate, Thank you for taking the time to apply with ****(company name) It was a pleasure getting to meet you and we think that you’d be a great fit for this role." After that they asked me to submit document on online process I am assuming I am selected it is right or not please let me clearify
No one : no it doesn't mean that you are selected but you are kept as a standby as that MNC may give you an offer depending on candidates that they must have given offer letter for the same role.
String vs String buffer
Final vs finally
Multiple inheritance
Diamond problem
Abstract method vs default method
Threads
Synchronise block
Private constructed
Design patterns
Singleton pattern
Factory pattern
Array list vs linked list
Hash map vs hash table
Concurrent
Comparator vs comparable
** Other ways Singleton design pattern can break :
1. Serialization : while deserializing, new object will get created. To prevent, override readResolve( ) method, and return the only instance.
2. Reflection : by getting a handle on the Class object, one can change the accessibility of the constructor from private to public and create object. To prevent, throw RuntimeException from constructor if instance already exists.
** Runnable is not Marker interface, it is Functional interface (only one abstract method). Marker interfaces are those that have no method, no field, used only to declare that a certain class will have a certain characteristics ( example - Cloneable, Serializable )
Thanks
Marker Remote
***Cloning can also break Singleton.
@cvarun9221 yeah
in runnable case, you have to create object of thread. runnable is functional interface not marker interface . you should check equals and hash code contract as well as comparable and comparator.
it felt like L1 interview.
thanks
Few corrections to others who are watching this audio
Question i understood was how to break a Singleton pattern and not describe different ways of creating Singleton 9.28
@Autowired is different than what you explained
Spring Security authentication : how do you authenticate each and every user and how is it mapped to access token?
Arraylist vs linkedlist has 6 to 7 differences
Thanks
@@JavaTechies pls respond on authentication
Comparator having two methods equals and compare
Hi Mansi ,first of all thankq because of your vidoes i could answer spring boot and clear interview 🤣 but i don't have spring boot knowledge will I be able to survive in new company
To be Frank, no. You need practical experience
@@JavaTechies I have spring MVC knowledge though
Its ok then
Consume api using external api in springboot
🤣🤣
What a interview he can't failed him every answer was correct
Thanks
Waiting........ Bro
Thanks for your support 🙏
Nice one bro
Thanks
I have also 3 years of experience and faced same questions in interview. Although this seems like L1 interview. L2 will be harder compared this.
Thanks
Hi bro how to learn spring boot as a fresher which one must do learn
@@kvhareesh635 Spring Basics
@@kvhareesh635 learn from
Java guides
Thanks 👍 you got selected?
Just a question we're you in ninja Cadre or the digital Cadre as even I have 2 years of experience in tcs but while trying to switch none of there service based company is providing more than 40 percentage of hike and my current ctc is very low can you please advise how to handle this situation as my knowledge is good so I am able to Crack the interviews but the salary negotiation part is bit difficult for me .
Feel free to share an email, we will help on this.
Hi is c2h jobs easy to get in IT ,i have a 2year gap and i am only getting c2h jobs
Ya, not tough
Just join them
3 years 15Lpa techm 😂
Let me add one more correction
We can use finally without catch block but we would have to add finally with try in that situation ❤️
Why multiple inheritance is not possible
If I made class A and Class B
Which is having same method
And I made one class C which is inherited class A and Class B then because of same method in both class the Class C would be confuse about class A and Class B which method has to be Access that's diamond problem and because of that multiple inheritance is not possible in java
We can achieve it via interface
Thanks
runnable is functional interface
Yes, correct
I'm in TechM and they not provided 15 L for 3 yr experience.... it's not True 😂😂
Yes
Ctc offered depends on lots of factors
Fake interview ,.. its just a recording
tech mahindra giving 15LPA to 3 years exp can't believe, absolute fake/scripted.
It was an year back, when people with 3 years experience were not ready to join at 15, there expectations was beyond 15.
Btw nothing is scripted here. Its for helping us all. Hope you understand
It's good to help people and share your experiences and help them in getting good offers. But is it ethical to record companies interview like this? I am wondering how would HR react to this if they comes to know about this.
@Shafali yes you are right that it's not ethical to record such interviews for any personal gain for interviewee or officially for any company.
During COVID people record such interviews. During FTF they cannot do that leave alone upload such recordings. Interviewers can object to these.
But few companies too record these interviews for HR reasons and it's not ethical too unless the candidate is an employee.
As fas as it's not objectionable or defacing the company name, they usually don't mind as it's not violating any copyrights.
Companies will be happy that they are getting publicity on social media. That too FREE.
This is fake interview.
TIAA vs Nagarro which is best? Yoe- 2.5 yrs
Nagarro, my personal openion.
He told. he hase 3 years experience and you wrote in headline 2 years
Round 2, experience is 3 years
I got a mail today from a big MNC which headline is selection mail
And inside there this is mentioned
"Dear Candidate,
Thank you for taking the time to apply with ****(company name) It was a pleasure getting to meet you and we think that you’d be a great fit for this role."
After that they asked me to submit document on online process
I am assuming I am selected it is right or not please let me clearify
No one : no it doesn't mean that you are selected but you are kept as a standby as that MNC may give you an offer depending on candidates that they must have given offer letter for the same role.
TCS 😂
TCS is just amazing 😀
15 lpa is true?
Yes
It will be .
But he has 3 years experience with good knowledge
@@JavaTechies Have they ask coding questions on DSA?
@@mohitzanjad8154 Hi they asked for me Build hashmap