TCP vs HTTP, REST API, OSI layers
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I got a 3-day Java project.
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How do you get exactly 6 litres if you only have a 5 litre bucket and a 7 litre bucket?
What are the things that need to be aware when use Serializable
How will you swap two numbers without using a temp
How many bytes does a String uses in Java?
what is polymorphism ?, what is a thread ?, thread life cycle ? what is demon thread ? what is the difference between demon thread and user thread ? what is memory leak ? how to resolve it ? what is jvm ? what is heap memory ? how many types of memories are there in jvm ? what is collection ? write a program to iterate a HashMap ? can we write a try catch block in finally block ? what is throw ? what is the difference between throws and throw ?
Diff b/w == & .equals()
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