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Java Interview question-20

Oct 22, 202345 min read

Question 191: program to find the middle number from the linked list? class ListNode { int val; ListNode next; ListNode(int val) { ...

Java Interview question-19

Oct 22, 202311 min read

Question 181: Bean scopes — what are default bean scopes? Singleton (Default Scope): The singleton scope means that a single instance of the bean is...

Java Interview question-18

Oct 22, 20235 min read

Question 171: Diffrence between map vs flat map Map: The map() operation applies a function to each element in the stream and returns a new stream...

Java Interview question-17

Oct 22, 20239 min read

Question 161: Difference between map and flat map map is used to transform each element of a collection independently and returns a new collection...

Java Interview question-16

Oct 22, 20238 min read

Question 151: How mutable reference can be handled in an immutable class? To handle mutable references in an immutable class: Use defensive...

Java Interview question-15

Oct 22, 20237 min read

Question 141: What is the use of default methods in Java? Interface evolution: They allow adding new methods to interfaces without breaking existing...