Han River Technology Java Developer Trainee Interview Questions and Answers

Q1. Tell me about your self
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Q2. First of all thank you for giving this opportunity. My self madhumitha I am from narasaraopet I completed by btech in krishnaveni engineering college for womens,kesanupalli in the year 2022 I completed my...read more
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Explain about one topic

Q1. A technical round round is a job interview round that tests the candidates technical skills with respect to the concerned job requirements
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Q1. About our family
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Q1. Managerial round can cover a diverse range of discussion topics.
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Q1. Selection process is to select right candidates with the required qualifications and capabilities to fill the vacancy in the organisation
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Q1. Tell me about yourself
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Q1. What is the difference between == and .equals() in Java?
Ans. 
In Java, == compares memory addresses while .equals() compares the actual content of objects.
• == compares memory addresses of objects, while .equals() compares the actual content.

• == is used to compare primitive data types, while .equals() is used to compare objects.

• Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will be false, but str1.equals(str2) will be true.
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Q2. ==compares object references (memory location) .equals() compares the actual content or values of the objects.
Ans. 
The question explains the difference between == and .equals() in Java for comparing object references and content.
• Use == to compare object references (memory location)

• Use .equals() to compare the actual content or values of the objects

• Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will be false, but str1.equals(str2) will be true
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First I will give the altitude test

My coding knowledge is good and my coding speed is fast

Q1. What is the difference between readonly and const in C#?
Ans. 
readonly variables can be assigned a value either at the time of declaration or in the constructor, while const variables must be assigned a value at the time of declaration and cannot be changed.
• readonly variables can be assigned a value at runtime, while const variables must be assigned a value at compile time

• readonly variables can be assigned a value in the constructor, while const variables cannot

• const variables ar...read more
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Q2. Const is compile-time constant, while readonly is runtime constant.
Ans. 
const is compile-time constant, while readonly is runtime constant.
• const values are determined at compile time and cannot be changed during runtime

• readonly values can be assigned a value either at the declaration or in the constructor and can be changed at runtime

• const is used for values that are known at compile time, like mathematical constants

• readonly is used when the value needs to be initialized at runtime, like d
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Logical Reasoning, Verbal ability

Q1. Technical Questions base on languages
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Q1. Document Verification, About yourself and family
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Q1. What is the difference between ==and .equals() in java?
Ans. 
In Java, == compares memory addresses while .equals() compares the actual content of objects.
• == compares memory addresses of objects, while .equals() compares the actual content of objects.

• == is used to compare primitive data types, while .equals() is used to compare objects.

• Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will be false, but str1.equals(str2) will be true.
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Q2. ==compares object references, while .equals() compares object values in java.
Ans. 
In Java, == compares object references, while .equals() compares object values.
• Use == to compare if two object references point to the same memory location.

• Use .equals() to compare if two objects have the same values.

• Example: String str1 = new String("hello"); String str2 = new String("hello"); str1 == str2 will be false, but str1.equals(str2) will be true.
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