Скачать или смотреть Master Java String Matching: Count Substrings the Right Way! Real Coding Interview Questions

In this video, you'll learn how to count occurrences of a substring within a string in Java using three different approaches: a traditional loop, Java 8 Streams, and a HashMap for substring counting. This tutorial is perfect for beginners and those preparing for Java coding interviews! We’ll also discuss performance optimization and edge cases to help you master string matching in Java.

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How would you count the number of times a substring appears in a string?

Write a program to count overlapping occurrences of a substring in a string in Java.

What is the time complexity of your substring counting solution?

How can you count occurrences of multiple substrings in a string using Java?

What is the difference between substring() and indexOf() in Java when working with string matching?

Write a Java program that counts all substrings of a given length and returns their counts.

How can you optimize substring matching for a very large string in Java?

What is the KMP (Knuth-Morris-Pratt) algorithm, and can it be used for counting substrings?

How would you modify the given program to handle case-insensitive substring counting in Java?

What are the potential performance issues when using substring() in Java, and how can you address them?

Explain how the contains() method works in Java for substring matching.

What is the difference between StringBuilder and String when performing string operations in Java?

Can you count the occurrences of a pattern in a string using regular expressions in Java?

How would you solve the problem of counting substrings using a sliding window approach in Java?

Can you explain the difference between brute force and efficient algorithms for substring matching?

Write a program in Java that returns the starting index of each occurrence of a substring in a string.

How would you handle cases where the substring is larger than the string itself in Java?

What is the Boyer-Moore string matching algorithm, and can it be used to optimize substring matching in Java?

Write a Java program that finds the most frequently occurring substring of a given length in a string.

How would you count substrings while avoiding duplicate counting in Java?

Write a Java program to find the largest palindrome in a given string.

How would you reverse a linked list in Java?

Explain how you would implement a binary search algorithm in Java.

Write a Java program to find the longest common subsequence between two strings.

How would you implement a queue using two stacks in Java?

What is the difference between a HashMap and a TreeMap in Java, and when would you use each?

Write a program in Java to check if a string is an anagram of another string.

How would you implement a depth-first search (DFS) and breadth-first search (BFS) in Java?

Write a Java program to check if a number is prime.

How would you solve the problem of finding the intersection of two arrays in Java?





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