JAVA INTERVIEW QUESTIONS
Java String Interview Question and Answers (Part-III)
Q11: How to Merge Two Sorted Arrays in Java? Answer: Merging two sorted arrays into a single sorted array is a common coding interview question. This is similar ...
Java String Interview Question and Answers (Level-3)
1. How do you check if two strings are anagrams in Java without using built-in sort methods? Explanation: Anagrams are words formed by rearranging the letters of another ...
Java String Interview Question and Answers (Part-II)
Q11. How do you merge two sorted arrays in Java? Explanation: This logic is similar to the merge process in merge sort. Use two pointers to compare and ...
Java String Interview Question and Answers (Level-2)
Q1: How to Find the Second Largest Number in an Array in Java? To find the second largest number efficiently, avoid sorting. Instead, use a single-pass technique with ...
Java String Interview Question and Answers (Part-I)
Question 11: Sum of Digits in Java Q: How do you calculate the sum of digits of a number? Code Example: java public class SumOfDigits { public static ...
Java String Interview Question and Answers (Level-1)
1. Reverse a String in Java Problem Statement: Write a Java program to reverse a given string using built-in methods. Code Example: java public class StringReversal { public ...
Java Interview Questions and Answers (Part-V)
Q121: What is the difference between StampedLock and ReentrantLock? StampedLock vs ReentrantLock Q122: Explain the term “Busy Spin” in multi-threading. Busy Spin is a technique where a thread ...
Java Interview Questions and Answers (Part-IV)
Q91. What is the difference between Collection and Collections in Java? Answer: Example: Collections.sort(myList); Keywords: Java Collection vs Collections, Java utility classes Q92. What is the use of ...
Java Interview Questions and Answers (Part-III)
71. What is the difference between notify() and notifyAll() in Java? 🔹 Use notify() when only one thread needs to resume, and notifyAll() when multiple waiting threads should ...
Java Interview Questions and Answers (Level-2)
51. What is the purpose of the assert statement in Java? The assert statement is used to test assumptions in code. If an assertion fails, it throws an ...
