Wonjun Jeong

Backend engineer specializing in scalable systems and reliable API design.

Republic of Korea

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The Digital Architect

Dev Battery

A technical journal on algorithms, backend architecture, and evidence-based software engineering.

[Spring] IoC 컨테이너 공식문서 번역 (Method Injection)

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ioc

LeetCode

2023-06-10

[LeetCode] 771. Jewels and Stones (Python)

hash-table, string

python hash-table string

LeetCode

2023-06-10

[LeetCode] 706. Design HashMap (Python)

array, hash-table, linked-list, design, hash-function

python array hash-table

LeetCode

2023-06-10

[LeetCode] 641. Design Circular Deque (Python)

array, linked-list, design, queue

python array linked-list

LeetCode

2023-06-10

[LeetCode] 347. Top K Frequent Elements (Python)

array, hash-table, sorting, counter

python array hash-table

LeetCode

2023-06-10

[LeetCode] 3. Longest Substring Without Repeating Characters (Python)

hash-table, string, sliding-window

python hash-table string

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Wonjun Jeong

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Dev Battery

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[Spring] IoC 컨테이너 공식문서 번역 (Method Injection)

[LeetCode] 771. Jewels and Stones (Python)

[LeetCode] 706. Design HashMap (Python)

[LeetCode] 641. Design Circular Deque (Python)

[LeetCode] 347. Top K Frequent Elements (Python)

[LeetCode] 3. Longest Substring Without Repeating Characters (Python)

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