String Coding Practice Problems - Page 52 | TutorialsPoint

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Master DSA Topics - February, 2026

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String Coding Problems

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

#	Problem	Difficulty	Topics
766	Unique Email Addresses	Easy	ArrayHash TableString
767	Unique Length-3 Palindromic Subsequences	Medium	Hash TableStringBit Manipulation
768	Unique Morse Code Words	Easy	ArrayHash TableString
769	Unique Substrings in Wraparound String	Medium	StringDynamic Programming
770	Unique Word Abbreviation	Medium	ArrayHash TableString
771	Using a Robot to Print the Lexicographically Smallest String	Medium	Hash TableStringStack
772	Valid Anagram	Easy	Hash TableStringSorting
773	Valid Number	Hard	String
774	Valid Palindrome	Easy	Two PointersString
775	Valid Palindrome II	Easy	Two PointersStringGreedy
776	Valid Palindrome III	Hard	StringDynamic Programming
777	Valid Palindrome IV	Medium	Two PointersString
778	Valid Parentheses	Easy	StringStack
779	Valid Parenthesis String	Medium	StringDynamic ProgrammingStack
780	Valid Permutations for DI Sequence	Hard	StringDynamic ProgrammingPrefix Sum

Showing 766-780 of 803

1 ... 50 51 52 53 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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