Advanced Software Developer

Advanced Software Developer Interview Questions and Answers

Updated 28 Dec 2023

Q1. Check whether string is palindrome or not, explain the corner cases.

Ans.

Check if a string is a palindrome by comparing characters from start and end.

  • Iterate through the string from start and end simultaneously to check if characters match.

  • Handle corner cases like empty string, single character string, and strings with spaces or special characters.

  • Examples: 'madam' is a palindrome, 'hello' is not a palindrome.

Q2. Diamond problem, how java handle it?

Ans.

Java uses default methods to handle the diamond problem by allowing interfaces to have method implementations.

  • Java allows interfaces to have default methods, which provide a default implementation for a method in case multiple interfaces define the same method.

  • If a class implements two interfaces with the same default method, the class must override the method to provide its own implementation.

  • Example: interface A { default void method() { System.out.println('A'); } } interfa...read more

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