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Interview Questions and Answers for 'Accolite' - 3 question(s) found - Order By Newest

 Q1. What are different ways to create String Object? Explain.Core Java
Admin
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Ans. There are total six ways

1. literals

When we create a String using double quotes, JVM looks in the String pool to find if any other String is stored with same value. If found, it just returns the reference to that String object else it creates a new String object with given value and stores it in the String pool.

2. new keyword

When we use new operator, JVM creates the String object but dont store it into the String Pool. We can use intern() method to store the String object into String pool or return the reference if there is already a String with equal value present in the pool.

3. string buffer
4. string builder
5. System.out.println
6. char to string




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   Like         Discuss         Correct / Improve     java   string class   string   jvm   memory management   string pool     Asked in 4 Companies      basic        frequent

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Frequently asked in all types of companies especially Indian Services companies. Frequently asked in CTS (Based on 2 feedback)
  Q2. What is the use of hashcode in Java ?Core Java
Anonymous
Ans. Hashcode is used for bucketing in Hash implementations like HashMap, HashTable, HashSet etc. The value received from hashcode() is used as bucket number for storing elements. This bucket number is the address of the element inside the set/map. when you do contains() then it will take the hashcode of the element, then look for the bucket where hashcode points to and if more than 1 element is found in the same bucket (multiple objects can have the same hashcode) then it uses the equals() method to evaluate if object are equal, and then decide if contain() is true or false, or decide if element could be added in the set or not.

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   Like         Discuss         Correct / Improve     java   collections   hashcode   advanced  hashtable     Asked in 32 Companies      intermediate        frequent

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 Q3. How to configure Tomcat to have number of user restrictions?Server2017-12-26 09:58:12

 This question was recently asked at 'Accolite'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve     omca     Asked in 1 Companies


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