What is pass by value?
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What does system.gc() and runtime.gc() methods do?
Is null a value?
design an lru cache in java?
Differentiate between a class and an object.
Why is String immutable?
I have a Person object with 5 variables and I want to store them in a file called Person.txt. What should I do?
What is “try and catch” in java
Explain method overloading?
Why do we use public static with the main function in Java?
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Why collection is called framework in java?
What is meant by attribute?
Why string is not thread safe?