String Coding Problems

Learn string processing and pattern matching

803
Total Problems
228
Easy
390
Medium
177
Hard
Start Practicing
"Hello"

Master DSA Topics - April, 2026

Practice problems across 75+ categories

String Coding Problems

Practice problems frequently asked at String 803 problems | 228 Easy | 390 Medium | 177 Hard

# Problem Difficulty Topics
676 Rotate String Easy
StringString Matching
677 Run-Length Decoder Easy
StringsStringParsing
678 Satisfiability of Equality Equations Medium
ArrayStringUnion Find
679 Score of a String Easy
String
680 Score of Parentheses Medium
StringStack
681 Scramble String Hard
StringDynamic Programming
682 Search Suggestions System Medium
ArrayStringBinary Search
683 Second Largest Digit in a String Easy
Hash TableString
684 Select K Disjoint Special Substrings Medium
Hash TableStringDynamic Programming
685 Sender With Largest Word Count Medium
ArrayHash TableString
686 Sentence Reverser Easy
StringsStringSplit
687 Sentence Screen Fitting Medium
ArrayStringDynamic Programming
688 Sentence Similarity Easy
ArrayHash TableString
689 Sentence Similarity II Medium
ArrayHash TableString
690 Sentence Similarity III Medium
ArrayTwo PointersString
Showing 676-690 of 803
1 ... 44 45 46 47 48 ... 54

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public class MyFirstJavaProgram { Edit & Run

   /* This is my first java program.
    * This will print 'Hello, World!' as the output
    */

   public static void main(String []args) {
      System.out.println("Hello, World!"); // prints
   }
}

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