Java Strings Coding Practice Problems Last Updated : 04 Mar, 2025 Comments Improve Suggest changes Like Article Like Report Strings are a fundamental part of Java programming, used for handling and manipulating textual data efficiently. 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. These exercises will strengthen your understanding of string manipulation techniques, improve problem-solving skills, and prepare you for coding interviews.Java Strings Practice QuestionsLength of StringCount Words in StringSlice The StringChange CasePrint AlphabetsPangram CheckingFind one extra characterAnagramCheck PalindromeReverse StringDecimal number to binary numberBinary number to decimal numberFind PatternAlmost Equal Consonants and Vowels Check The Pattern Matcher Strings Rotations of Each OtherString Operations OverviewString Length: Measure the number of characters in a string.Word Count: Determine the number of words in a string.Slicing Strings: Extract specific parts of a string using substrings.Case Conversion: Convert strings between uppercase and lowercase.Alphabet Printing: Generate sequences of letters programmatically.Pangram Checking: Verify if a sentence contains every letter of the alphabet.Extra Character Detection: Identify an extra character in a given string.Anagram Check: Determine if two strings contain the same characters in a different order.Palindrome Check: Verify if a string reads the same forward and backward.String Reversal: Reverse a string using different techniques.Number Conversions: Convert between decimal and binary representations.Pattern Matching: Find patterns or substrings within a given string.String Rotations: Check if two strings are rotations of each other.Mastering Java string operations is essential for handling textual data efficiently, solving algorithmic challenges, and preparing for technical interviews. Practicing these Java string coding problems will help improve pattern recognition, data manipulation, and string-based algorithm skills in real-world applications. Comment More infoAdvertise with us Next Article Java Strings Coding Practice Problems S swetadash2000 Follow Improve Article Tags : Java Java-Strings Practice Questions Practice Tags : JavaJava-Strings Similar Reads Java OOPs Coding Practice Problems Object-Oriented Programming (OOP) is a core concept in Java that enables code modularity, reusability, and scalability. This collection of Java OOPs coding practice problems covers essential topics like class design, constructors, encapsulation, inheritance, and abstraction. Whether you are a beginn 2 min read Java Arrays Coding Practice Problems Arrays are a fundamental data structure in Java programming, enabling efficient storage, manipulation, and retrieval of elements. This collection of Java array practice problems covers essential operations, including array traversal, sorting, searching, matrix manipulations, and element-wise calcula 2 min read Java Methods Coding Practice Problems Methods in Java help in structuring code by breaking it into reusable blocks. They improve readability, maintainability, and modularity in programming. This collection of Java method coding practice problems covers functions with return values, functions with arguments, and functions without argumen 1 min read Java Collections Coding Practice Problems Java Collections provides dynamic and efficient data structures for handling and processing data. This collection of Java practice problems covers fundamental concepts of ArrayLists, LinkedLists, Stacks, Queues, Deques, PriorityQueues, HashMaps, and TreeSets, helping you master data manipulation, se 2 min read Java Fundamentals Coding Practice Problems Understanding Java fundamentals is the first step to becoming a proficient Java programmer. This collection of Java basic coding practice problems covers essential topics such as input/output operations, arithmetic and logical operators, type conversion, conditional statements, loops, and more. Thes 1 min read Like