Update README.md

Author: PrityKumari14

README.md

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 # Core Java Programs
 
+📌 Topics Covered
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+✅ Arrays
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+✅ Patterns (star, number, character)
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+✅ Recursion (factorial, fibonacci, etc.)
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+✅ Functions & Methods
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+✅ Operators & Keywords
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+✅ Loops & Control Statements
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+✅ Strings & StringBuilder
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+✅ Sorting Algorithms
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+✅ Bit Manipulation
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+✅ Mathematical Operations (odd/even, prime, tables)
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+✅ Miscellaneous Practice Programs
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 ## Description
 This repository contains multiple Core Java programs for practice and learning.  
 It includes programs on arrays, patterns, recursion, functions, operators, keywords, loops, control statements, strings, StringBuilder, sorting algorithms, bit manipulation, mathematical operations, odd/even checks, prime number checks, multiplication tables, and more.