Questions by rahuljain1

0 votes

1 answer

Difference between ArrayList and LinkedList in Java?

asked Jan 27, 2020 in JAVA

+1 vote

1 answer

The sum of probability of an event and its complementary is __________.

asked Jan 24, 2020

+1 vote

1 answer

Inferential Statistics produces inferences from __________.

asked Jan 24, 2020

+1 vote

1 answer

The difference between LinkedHashMap and PriorityQueue in Java?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

Difference between poll() and remove() method?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

The difference between List, Set, Map, and Queue in Java?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

What is a compile time constant in Java? What is the risk of using it?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

Difference between final, finalize and finally?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

What is a.hashCode() used for? How is it related to a.equals(b)?

asked Jan 24, 2020 in JAVA

+2 votes

1 answer

What's the difference between "a == b" and "a.equals(b)"?

asked Jan 24, 2020 in JAVA

+1 vote

2 answers

What is the difference between stack and heap in Java?

asked Jan 24, 2020 in JAVA

+2 votes

1 answer

How do you find memory usage from Java program? How much percent of the heap is used?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

Can you guarantee the garbage collection process?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

Explain Java Heap space and Garbage collection?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

What is the difference between JRE, JDK, JVM and JIT?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

What is the maximum heap size of 32-bit and 64-bit JVM?

asked Jan 24, 2020 in JAVA

+2 votes

1 answer

How do you find if JVM is 32-bit or 64-bit from Java Program?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

What is -XX:+UseCompressedOops JVM option? Why use it?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

How do WeakHashMap works?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

A difference between WeakReference and SoftReference in Java?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

What is the size of an int variable in 32-bit and 64-bit JVM?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

What is The difference between Serial and Parallel Garbage Collector?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

What is constructor chaining in Java?

asked Jan 24, 2020 in JAVA

+1 vote

2 answers

Can we use String in the switch case?

asked Jan 24, 2020 in JAVA

+2 votes

1 answer

Why is String Immutable in Java?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

Which one will take more memory, an int or Integer?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

What will this return 3*0.1 == 0.3? true or false?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

Can I store a double value in a long variable without casting?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

Difference between a = a + b and a += b ?

asked Jan 24, 2020 in JAVA

+1 vote

1 answer

Is ++ operator is thread-safe in Java?

asked Jan 24, 2020 in JAVA

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