String Coding Problems

Learn string processing and pattern matching

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

Master DSA Topics - January, 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 Similar String Groups Hard
ArrayHash TableString
677 Simplified Fractions Medium
MathStringNumber Theory
678 Simplify Path Medium
StringStack
679 Single-Row Keyboard Easy
Hash TableString
680 Slowest Key Easy
ArrayString
681 Smallest Common Region Medium
ArrayHash TableString
682 Smallest Divisible Digit Product II Hard
MathStringBacktracking
683 Smallest K-Length Subsequence With Occurrences of a Letter Hard
StringStackGreedy
684 Smallest Palindromic Rearrangement I Medium
StringSortingCounting Sort
685 Smallest Palindromic Rearrangement II Hard
Hash TableMathString
686 Smallest String Starting From Leaf Medium
StringBacktrackingTree
687 Smallest String With A Given Numeric Value Medium
StringGreedy
688 Smallest String With Swaps Medium
ArrayHash TableString
689 Smallest Subsequence of Distinct Characters Medium
StringStackGreedy
690 Smallest Substring With Identical Characters II Hard
StringBinary Search
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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