Questions around how to setup logging in Spring boot? how you find logs for a specific request? How you can configure Log Aggregation for a request?
Sr Java Developer Interview Questions
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What are the benefits of Spring boot?
find the missing elements of an array, count how many letters are there in a string
List list = new ArrayList (); for(int i=0;i<10;i++){ list.add(i); list.remove(i); } will get compile or excute?
Find If the string has Valid Parenthesis?
Simple questions on string, array Rest protocols HTTP methods
1)Which Java Version worked upon? Java 8 features? Stream API? 2)Why should the sub class exceptions be used before super class exceptions in a catch block? try{ //something } catch(RuntimeException|NullPointerException|IOException e){ } will the above code work? No it is going to be an error, but why is it happening? 3)Abstract class and Interface can have methods declared and defined. So when to use abstract class, when to use interface? 4)Hashmap internal implementation? 5)We have a map to store String and Integer key-value pairs as shown below. How to store data case-insensitive? Map<String,Integer>map=new HashMap<>(); map.put("abc",10000); map.put("ABC",10000); Above mentioned map should only store one key-value pair. 6)Design patterns? 7)How to create a singleton class? How to use it in Main class? 8)Chess boards question(two 8*8 array) on how a king at a certain position can be attacked by queens? How many possible queens can attack?
Write code to print vowels of a string
custom implementation of linked list
decode excel column number to name in java
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