Recent questions tagged core-java-mcq

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Q: What are the Features of Java? List down them

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: What is the default encoding for an OutputStreamWriter?

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: In character stream I/O, a single read/write operation performs _____.

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: What is the result of the following program?

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: Which of the following modifiers can be used for a variable so that it can be accessed by any thread or a part of a program?

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: If a thread goes to sleep

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: If three threads trying to share a single object at the same time, which condition will arise in this scenario?

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: How many threads can be executed at a time?

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: Which of the following code segment would execute the stored procedure "getPassword()" located in a database server?

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: Given, the below condition ,identify the output

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: What is meant by the classes and objects that dependents on each other?

asked Apr 10, 2021 in JAVA by Robindeniel

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Q: What will be the output of the following program?

asked Apr 9, 2021 in JAVA by Robindeniel

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Q: Which of the following is a mutable class in java?

asked Apr 9, 2021 in JAVA by Robindeniel

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Q: Given, ArrayList list = new ArrayList(); What is the initial quantity of the ArrayList list?

asked Apr 9, 2021 in JAVA by Robindeniel

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Q: Which of the following is a valid syntax to synchronize the HashMap?

asked Apr 9, 2021 in JAVA by Robindeniel

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Q: Given that Student is a class, how many reference variables and objects are created by the following code?

asked Apr 9, 2021 in JAVA by Robindeniel

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Q: Which of the given methods are of Object class?

asked Apr 9, 2021 in JAVA by Robindeniel

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Q: What is the use of \w in regex?

asked Apr 9, 2021 in JAVA by Robindeniel

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Q: Which of the following is false?

asked Apr 9, 2021 in JAVA by Robindeniel

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Q: What will be the output of the following program?

asked Apr 9, 2021 in JAVA by Robindeniel

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