Questions by rahuljain1

+1 vote

1 answer

Which class contains clone method? Cloneable or Object?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

Can we cast an int value into byte variable? what will happen if the value of int is larger than byte?

asked Jan 24, 2020 in JAVA

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0 answers

How do you convert bytes to String?

asked Jan 24, 2020 in JAVA

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0 answers

What is the right data type to represent a price in Java?

asked Jan 24, 2020 in JAVA

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0 answers

Can we create an Immutable object, which contains a mutable object?

asked Jan 24, 2020 in JAVA

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1 answer

What is an immutable object? How do you create an Immutable object in Java?

asked Jan 24, 2020 in JAVA

0 votes

1 answer

The difference between sleep and wait in Java?

asked Jan 24, 2020 in JAVA

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1 answer

Write code for thread-safe Singleton in Java?

asked Jan 24, 2020 in JAVA

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1 answer

Write wait-notify code for producer-consumer problem?

asked Jan 24, 2020 in JAVA

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1 answer

What is a thread local variable in Java?

asked Jan 24, 2020 in JAVA

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1 answer

is Swing thread-safe?

asked Jan 24, 2020 in JAVA

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1 answer

How do you take thread dump in Java?

asked Jan 24, 2020 in JAVA

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1 answer

What is busy spin? Why should you use it?

asked Jan 24, 2020 in JAVA

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1 answer

What is false sharing in the context of multi-threading?

asked Jan 24, 2020 in JAVA

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1 answer

How do you call wait() method? using if block or loop? Why?

asked Jan 24, 2020 in JAVA

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1 answer

Which one would be easy to write? synchronization code for 10 threads or 2 threads?

asked Jan 24, 2020 in JAVA

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1 answer

What guarantee volatile variable provides?

asked Jan 24, 2020 in JAVA

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1 answer

What are practical uses of volatile modifier?

asked Jan 24, 2020 in JAVA

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1 answer

Can volatile make a non-atomic operation to atomic?

asked Jan 24, 2020 in JAVA

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1 answer

Can we make array volatile in Java?

asked Jan 24, 2020 in JAVA

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What is/ are correct statements about JSON?

asked Jan 23, 2020 in JAVA

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0 answers

True or False: Objects can contain multiple name/values pairs.

asked Jan 23, 2020 in JAVA

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0 answers

What are true about JSON Arrays?

asked Jan 23, 2020 in JAVA

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0 answers

JSON.parse() function was developed as a safer alternative to __________.

asked Jan 23, 2020 in JAVA

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Find the correct JSON code:

asked Jan 23, 2020 in JAVA

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Functions added undef Native JSON is ____________________.

asked Jan 23, 2020 in JAVA

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While receiving data from any web server, the data is always ___________.

asked Jan 23, 2020 in JAVA

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What is the true option applicable for JSON?

asked Jan 23, 2020 in JAVA

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True or False: In JSON syntax, square brackets can't holds arrays.

asked Jan 23, 2020 in JAVA

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What is the correct way to write a JSON array?

asked Jan 23, 2020 in JAVA

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