LNT Infotech java interview questions and answers | spring boot interview questions

Spring boot interview questions
java interview questions
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[shankars]

@8:00 serialisation creates new object with same values. If you serialise object o1 to o2, o1 == o2 will be false, but o1.equals(o2) will be true

[RAJU]

You no need to create two application properties for connecting two databases. In the properties you can define data source and second data source need to configure.

[chetanbavaskar]

Optional.ofNullabe() checks the condition inside the ofNullable() if it’s null then it will be null and if not it will be not null and then using .isPresent() we can check if it’s null or basically value is present and get that value using .get()

[ramt]

@3:40 two strings comparision with equals ignore case no need of hashcode and equals.acc to my knowledge hash code and euals for checking two objects same or not and in hashmap key as object.in this two scenarios we will use

[amolmandlik]

In spring boot application we can call stored procedure by creating SompleJdbcCall class object

[chetanbavaskar]

For Singleton class:
create static the instance of that class itself
Create a private constructor so that it we can’t create object using it
Create a method which if the instance is null then always return new object of that singleton class.
To make it thread safe inside the synchronised block add the if condition of null as well

[rexsam]

Was his answer correct for Volatile, removal of duplicate?
Many have not worked or even aware of JSP Servlets
Jboss is not supported. Use provided during compile time and for tomcat related web components files

[sergiojimenez]

How many interview rounds usually are in the selection process? I mean in general not only in this specific company

[Ravikumar-gjqw]

Waste company after joining With mindtree mindtree frauded by not providing offer letters to candidate's