How to create a singleton class?
Sr Java Developer Interview Questions
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write code to reverse a string using recursion.
what is the internal working of hashmap?
How to create a final class?
Remove duplicate from char array linked list -find duplicate
All related to Java 8-11, Spring, Hibernate, Microservices, Testing and problem solving.
does tree data structure use hashcode and equals ? how sorting will happen internally in treeset/treemap?
Java 8 questions Design pattern of microservices Collection questions Problem solving by stream api Question from previous projects
Core Java Spring architecture Beans Autowiring Hibernate
1. Java8 Questions 2. String program 3. Tree traversal 4. Microservices 5. Sql joins
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