July 23, 2025 - This collection of Java string practice problems covers key operations such as finding string length, slicing, case conversion, palindrome checking, anagram detection, and pattern matching.

September 18, 2025 - String-related problems often assess a candidate's understanding of concepts like pattern matching, manipulation, and efficient algorithm design. Here is the collection of frequently asked interview questions on Strings.

October 7, 2025 - Strings are widely used for storing and processing textual data in programs. Here is a complete list of Java String practice programs divided into basic and advanced categories:

June 22, 2024 - Take a look at our Java String Exercise, which will cover the Practice Problems in Java with a series of Java String exercise questions that will help you practice and reinforce your knowledge of String manipulation in Java. These practice problems are both beginner-friendly and experienced-friendly.

December 21, 2024 - In this article, we have compiled a comprehensive list of insightful Java String Interview Questions for both Freshers and Experienced that focus on a range of topics including thread-safety, immutability, string methods in Java, StringBuilder and StringBuffer, memory consumption, comparing String instances in Java, using String as the key in HashMap, equals() vs == check for String, etc.

February 16, 2026 - Top 21 String Programming Interview Questions for Beginners and Experienced Developers Along with array, binary tree, and linked list data structures, the string is another popular topic on …

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January 25, 2026 - The function takes two strings as arguments (s,x) and locates the occurrence of the string x in the string s. The function returns an integer denoting the first occurrence of the string x in s (0 based indexing).

August 3, 2022 - As p is a pointer of type character, *p will print ‘G’ Using pointer arithmetic, *(p+p[3]-p[1]) = *(p+75-69) (Using ascii values of K and E) = *(p+6) = 1(as we know p is holding the address of base string means 0th position string, let assume the address of string starts with 2000 so p+6 means the address of p(we are adding 6 in 2000 that means 2006, and in 2006 the "1"is stored that is why answer is 1). Therefore, the output will be G, 1. Que - 2. Which of the following C code snippet is not valid?

In this article, we are going to see the top 20 String based coding interview question and their solution to help programmers better prepare for interviews. The string is one of the most important data structures and available in almost every programming language like Java, C, C++, Python, Perl, and Ruby.

July 20, 2023 - Learn Java and Programming through articles, code examples, and tutorials for developers of all levels. ... In this article, I am going to share 21 of the most common String-based Programming and Coding interview questions from Java developer interviews. These questions require you to write code to solve the problem and they are different from traditional Java String questions like how the substring method works in Java?

July 23, 2025 - In this post, string problems based on different topics are mentioned.

June 29, 2022 - This has performance implications for string concatenation when joining a number of strings, running in quadratic time. Java provides a mutable StringBuilder class, which should be used for concatenating multiple strings. In Python, generally the `.join` method on strings should be used, which accepts an iterable of multiple strings.

JavaScript · Data Science · Machine Learning · Courses · Linux · DevOps · Last Updated : Discuss · Comments · Which class is mutable among these? String · StringBuilder · Integer · Character · This question is part of this quiz :Advanced Java Quiz (Day 1-15) Tags: Java ·

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April 17, 2025 - Original String = Java Exercises! The character at position 0 is J The character at position 10 is i ... Write a Java program to get the character (Unicode code point) at the given index within the string.

December 10, 2024 - Since a String object is immutable, its hashcode is cached at the time of creation and it doesn’t need to be calculated again. This makes it a great candidate for the key in a Map since its processing is faster than other HashMap key objects. Test yourself by guessing the output of the following Java code snippets.

January 26, 2026 - Mostly Asked String Coding Interview Questions | String Programs (Problems) for Practice 🚀 - RecursiveSharma/StringCodingQuestions

May 20, 2025 - Given I also want thread-safe code? This is scenario based question. You should give answer StringBuffer. You can use String also but with every modification and concatenation operation, a new String is formed as String is immutable. It will lead to the memory allocation issues. StringBuilder can not be used as it is not synchronized, i.e thread-safe. So, the clear answer is StringBuffer. Advanced Level (8+ years)- Java String Interview Questions and Answers Q42 Why char Array is preferred over String in storing passwords?