Given an input string, a non-empty substring subs, and a non-negative number n, compute recursively and return true if and only if at least n copies of subs occur in the string, possibly with overlapping. Do not use loops (do not write for or while anywhere in your code). Do not use any regular expressions and methods such as matches, split, replaceAll. Test case 1: checkSubstring("abcxxxxabc", "abc", 2) true Test case 2: checkSubstring("abcxxxxabc", "abc", 3) → false Test case 3: checkSubstring("ababaxxxaba", "aba", 3) true

Given an input string, a non-empty substring subs, and a non-negative number n, compute recursively and return true if and only if at least n copies of subs occur in the string, possibly with overlapping. Do not use loops (do not write for or while anywhere in your code). Do not use any regular expressions and methods such as matches, split, replaceAll. Test case 1: checkSubstring("abcxxxxabc", "abc", 2) true Test case 2: checkSubstring("abcxxxxabc", "abc", 3) → false Test case 3: checkSubstring("ababaxxxaba", "aba", 3) true

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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