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[Java] Lambda - Stream

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=0bHCxjkku0s&list=PLqq-6Pq4lTTa9YGfyhyW2CqdtW9RtY-I3&index=23์ด๋ฒˆ ๊ธ€์—์„œ๋Š” stream์— ๋Œ€ํ•ด ๊ฐ„๋‹จํ•˜๊ฒŒ ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.stream์ด๋ž€

2020๋…„ 5์›” 10์ผ
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[Java] Lambda - Foreach Iteration

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=tfbmYBcq5CM&list=PLqq-6Pq4lTTa9YGfyhyW2CqdtW9RtY-I3&index=22์ด๋ฒˆ ๊ธ€์—์„œ๋Š” lambda๋ฅผ ์‚ฌ์šฉํ•œ foreach iteration์— ๋Œ€ํ•ด ์•Œ์•„๋ณด

2020๋…„ 5์›” 10์ผ
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[Java] Lambda - Method Reference

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=x9ovGHK7r2E&list=PLqq-6Pq4lTTa9YGfyhyW2CqdtW9RtY-I3&index=21์ด๋ฒˆ ๊ธ€์—์„œ๋Š” lambda์˜ method refernece์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ 

2020๋…„ 5์›” 9์ผ
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[Java] Lambda - This Reference

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=x9ovGHK7r2E&list=PLqq-6Pq4lTTa9YGfyhyW2CqdtW9RtY-I3&index=20์ด๋ฒˆ ๊ธ€์—์„œ๋Š” lambda์˜ this refernece์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ

2020๋…„ 5์›” 9์ผ
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[Java] Lambda - Closure

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=WcLum7g6ImU&list=PLqq-6Pq4lTTa9YGfyhyW2CqdtW9RtY-I3&index=19์ด๋ฒˆ ๊ธ€์—์„œ๋Š” lambda์˜ closure์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.closu

2020๋…„ 5์›” 9์ผ
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[Java] Lambda - Exception Handling

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=SEGEbGoH4LI&list=PLqq-6Pq4lTTa9YGfyhyW2CqdtW9RtY-I3&index=17์ด๋ฒˆ ๊ธ€์—์„œ๋Š” lambda์˜ exception handling ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ์•Œ์•„๋ณด

2020๋…„ 5์›” 9์ผ
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[Java] Lambda - Functional Interface

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=mJgwVdEGg5A&list=PLqq-6Pq4lTTa9YGfyhyW2CqdtW9RtY-I3&index=12์ด๋ฒˆ ๊ธ€์—์„œ๋Š” functional interface์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.

2020๋…„ 5์›” 8์ผ
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[Java] Lambda - Using Lambda

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=DNE8OYBzj7E&list=PLqq-6Pq4lTTa9YGfyhyW2CqdtW9RtY-I3&index=8์ด๋ฒˆ ๊ธ€์—์„œ๋Š” lambda์— ๋Œ€ํ•ด ์กฐ๊ธˆ ๋” ์ž์„ธํžˆ ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.์ด์ „ ๊ธ€์˜

2020๋…„ 5์›” 8์ผ
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[Java] Lambda - Understanding Lambda

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=gpIUfj3KaOc&list=PLqq-6Pq4lTTa9YGfyhyW2CqdtW9RtY-I3&index=1์ด๋ฒˆ ๊ธ€์—์„œ๋Š” lambda์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.lambda๋ž€ java8์—

2020๋…„ 5์›” 7์ผ
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[Java] Multithreading - Thread Pool & Executor Service

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=QMrJBLNn2OU&list=PLhs1urmduZ2_ZFO6vu63QNWTL5XHriWKu&index=12์ด๋ฒˆ ๊ธ€์—์„œ๋Š” thread pool๊ณผ executor service๋ฅผ ์‚ฌ์šฉํ•ด ์ž‘์—…

2020๋…„ 5์›” 6์ผ
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[Java] Multithreading - Producer & Consumer

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=8o4PSFaYhXo&list=PLhs1urmduZ2_ZFO6vu63QNWTL5XHriWKu&index=10์ด๋ฒˆ ๊ธ€์—์„œ๋Š” thread๋ฅผ ์‚ฌ์šฉํ•ด producer์™€ consumer๋ฅผ ๊ตฌํ˜„ํ•˜๋Š”

2020๋…„ 5์›” 6์ผ
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[Java] Multithreading - Thread Synchronization (2)

์ฐธ๊ณ  ์ž๋ฃŒ : https://parkcheolu.tistory.com/158์ด๋ฒˆ ๊ธ€์—์„œ๋Š” multi threading ํ™˜๊ฒฝ์—์„œ synchronization์„ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.synchronized keyword๋Š” ๋‹ค์Œ 4๊ฐ€์ง€ ์œ ํ˜•์˜

2020๋…„ 5์›” 6์ผ
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[Java] Multithreading - Thread Synchronization (1)

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=gkJU29Bxq_g&list=PLhs1urmduZ2_ZFO6vu63QNWTL5XHriWKu&index=8์ด๋ฒˆ ๊ธ€์—์„œ๋Š” multi threading ํ™˜๊ฒฝ์—์„œ synchronization์„

2020๋…„ 5์›” 5์ผ
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[Java] Multithreading - Using Thread

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=WgvYToe6o3M&list=PLhs1urmduZ2_ZFO6vu63QNWTL5XHriWKu&index=5์ด๋ฒˆ ๊ธ€์—์„œ๋Š” thread๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.thread

2020๋…„ 5์›” 5์ผ
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[Java] Multithreading - Creating Thread

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=HtkJbI00mZQ&list=PLhs1urmduZ2_ZFO6vu63QNWTL5XHriWKu&index=3์ด๋ฒˆ ๊ธ€์—์„œ๋Š” thread๋Š” ์ƒ์„ฑํ•˜๋Š” ๋ฐฉ๋ฒ•์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.java์—์„œ

2020๋…„ 5์›” 5์ผ
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[Java] Multithreading - Static Keyword

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=qRCEdWQ0f4Q์ด๋ฒˆ ๊ธ€์—์„œ๋Š” static keyword์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.java์—์„œ static ๋ณ€์ˆ˜๋Š” class ๋‹จ์œ„๋กœ ๊ฐ’์„ ํ• ๋‹นํ• ๋•Œ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๐Ÿ˜Ž์˜ˆ๋ฅผ ๋“ค์–ด

2020๋…„ 5์›” 5์ผ
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[Java] Multithreading - Introduction to Multithreading

์ฐธ๊ณ  ์ž๋ฃŒ : https://www.youtube.com/watch?v=8e_IvPvr-NY&list=PLhs1urmduZ2_ZFO6vu63QNWTL5XHriWKu์ด๋ฒˆ ๊ธ€์—์„œ๋Š” multi threading์— ๋Œ€ํ•ด ์•Œ์•„๋ณด๋„๋ก ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.ํ˜„๋Œ€์˜ computer๋Š”

2020๋…„ 5์›” 4์ผ
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[Spring] Overview

์ฐธ๊ณ ์ž๋ฃŒ : https://www.udemy.com/course/spring-hibernate-tutorial/ContainerInfrastructureData Access LayerWeb LayerTest Layer

2020๋…„ 4์›” 19์ผ
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[ERROR] linux /dev/null permission denied

linux์—์„œ /dev/null์— stdout/stderr๋ฅผ write ํ• ๋•Œ permission denied ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ•œ๋‹ค.๊ถŒํ•œ ์„ค์ •์ด ๋ฌธ์ œ์ธ๋ฐ, ์•„์ง Linux Shell ํ•™์Šต์ด ๋˜์ง€ ์•Š์•„.. ์ดํ•ด๊ฐ€ ๋˜์ง€ ์•Š๋Š”๋‹ค. ์กฐ๋งŒ๊ฐ„ ํ•™์Šตํ•˜๋„๋ก ํ•˜์ž. ๐Ÿ˜‚์•„๋ž˜์˜ ๋ช…๋ น์–ด๋ฅผ ์ˆœ์„œ๋Œ€

2020๋…„ 4์›” 6์ผ
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[ERROR] Jenkins Build Fail - Starting a Gradle Daemon, 2 busy Daemons could not be reused, use --status for details

Jenkins์—์„œ gradle wrapper๋ฅผ ์‚ฌ์šฉํ•ด build๋ฅผ ์ง„ํ–‰ํ• ๋•Œ ์–ด๋Š์ƒŒ๊ฐ€๋ถ€ํ„ฐ build๊ฐ€ fail์ด ๋‚œ๋‹ค.์›์ธ์€ ์•„์ง ์ž˜ ๋ชจ๋ฅด๊ฒ ๋‹ค.. ๐Ÿ˜…๋ญ”๊ฐ€ ๋‚ด๋ถ€์—์„œ ๊ผฌ์ธ ๊ฒƒ ๊ฐ™๋‹ค. jenkins์˜ cache/daemon ๊ด€๋ จ ๋ฐ์ดํ„ฐ๋ฅผ ์‚ญ์ œํ•œ๋‹ค.โ€ข /var/lib/jenk

2020๋…„ 4์›” 6์ผ
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