1. Solid principles
2. Singleton pattern, in case if we pass hashmap- map can be altered and it will destroy singleton, how to handle that
3. How to create threads
4. How to execute 10 threads at a time
5. How to create global exception class
6. When to use arraylist and linkedlist
7. Completable in java 8
8. What's changed in hashmap in java 8
9. Deep copying and shallow copying
10. Use of volatile keyword in java
11. Programming
a. String ="I love programming" -we need to count the length and arrange it in desc but that should be return as string using stream api
b. List in = Arrays.asList(1,3,7,0,6,7,8,0); need to sort this and put only 0 at first and let the remaining stay as it is using stream API

Question

1. Solid principles
	2. Singleton pattern, in case if we pass hashmap- map can be altered and it will destroy singleton, how to handle that
	3. How to create threads
	4. How to execute 10 threads at a time
	5. How to create global exception class
	6. When to use arraylist and linkedlist
	7. Completable in java 8
	8. What's changed in hashmap in java 8
	9. Deep copying and shallow copying
	10. Use of volatile keyword in java
	11. Programming 
		a. String ="I love programming" -we need to count the length and arrange it in desc but that should be return as string using stream api
		b. List in = Arrays.asList(1,3,7,0,6,7,8,0); need to sort this and put only 0 at first and let the remaining stay as it is using stream API

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