- How to make a list readonly, ie, calling .add() will throw error
- Diff b/w parallel stream and stream
- What is static
- Diff b/w String, StringBuilder, StringBuffer
- Swap two values without using a 3rd var
- concurrency and thread questions
- Can we add a null value of the root in treehashset
- What is the output of the snippet:

try {
a = b / 0;
} catch (Exception e) {
// do something
} catch (Arithmetic Exception) {
// do something
}
- What is try-with-Resources?
- How to connect to any particular db in spring boot
- What is autowired and why is it used
- What is dependency injection

Question

- How to make a list readonly, ie, calling .add() will throw error
	- Diff b/w parallel stream and stream
	- What is static 
	- Diff b/w String, StringBuilder, StringBuffer
	- Swap two values without using a 3rd var
	-  concurrency and thread questions
	- Can we add a null value of the root in treehashset
	- What is the output of the snippet:
		
		try {
		    a = b / 0;
		} catch (Exception e) {
			// do something
		} catch (Arithmetic Exception) {
		    // do something
		}
	- What is try-with-Resources?
	- How to connect to any particular db in spring boot
	- What is autowired and why is it used 
	- What is dependency injection

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