\uc790\ubc14 \uba54\ubaa8\ub9ac \ubaa8\ub378\uacfc \uc2a4\ub808\ub4dc \uc548\uc804\uc131 \ubcf4\uc7a5 \ubc29\ubc95<\/h1>\n

\uc790\ubc14\ub294 \uac1d\uccb4 \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4\ub85c\uc11c, \ub2e4\uc591\ud55c \ud658\uacbd\uc5d0\uc11c \uc548\uc815\uc801\uc73c\ub85c \uc2e4\ud589\ub420 \uc218 \uc788\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\ub2e4. \uadf8 \uc911\uc5d0\uc11c\ub3c4 \uba40\ud2f0 \uc2a4\ub808\ub4dc \ud658\uacbd\uc5d0\uc11c \uc548\uc804\ud558\uac8c \uc2e4\ud589\ub420 \uc218 \uc788\ub3c4\ub85d \uc790\ubc14 \uba54\ubaa8\ub9ac \ubaa8\ub378\uacfc \uc2a4\ub808\ub4dc \uc548\uc804\uc131\uc744 \ubcf4\uc7a5\ud558\ub294 \ubc29\ubc95\uc774 \uc911\uc694\ud558\ub2e4. \uc774\ubc88 \uae00\uc5d0\uc11c\ub294 \uc790\ubc14 \uba54\ubaa8\ub9ac \ubaa8\ub378\uacfc \uc2a4\ub808\ub4dc \uc548\uc804\uc131 \ubcf4\uc7a5 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\ub2e4.<\/p>\n

\uc790\ubc14 \uba54\ubaa8\ub9ac \ubaa8\ub378 \uc774\ud574<\/h2>\n

\uc790\ubc14 \uba54\ubaa8\ub9ac \ubaa8\ub378\uc740 \uba40\ud2f0 \uc2a4\ub808\ub4dc \ud658\uacbd\uc5d0\uc11c\uc758 \uba54\ubaa8\ub9ac \uc0ac\uc6a9 \ubc29\ubc95\uc744 \uc815\uc758\ud558\ub294 \uac83\uc73c\ub85c, \uac01 \uc2a4\ub808\ub4dc\uac00 \uacf5\uc720\ud558\ub294 \uba54\ubaa8\ub9ac\ub97c \uc5b4\ub5bb\uac8c \uc811\uadfc\ud558\uace0 \ubcc0\uacbd\ud558\ub294\uc9c0\ub97c \uaddc\uc815\ud55c\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc2a4\ub808\ub4dc \uac04\uc758 \uacbd\ud569 \uc0c1\ud0dc\ub098 \ub370\uc774\ud130 \ubd88\uc77c\uce58 \ud604\uc0c1\uc744 \ubc29\uc9c0\ud558\uace0, \uc548\uc804\ud558\uac8c \ud504\ub85c\uadf8\ub7a8\uc774 \uc2e4\ud589\ub420 \uc218 \uc788\ub3c4\ub85d \ubcf4\uc7a5\ud55c\ub2e4.<\/p>\n

\uc790\ubc14 \uba54\ubaa8\ub9ac \ubaa8\ub378\uc740 \ud06c\uac8c \ub450 \uac00\uc9c0\ub85c \ub098\ub258\ub294\ub370, \ud558\ub098\ub294 \uc2a4\ub808\ub4dc\uac00 \uba54\ubaa8\ub9ac\ub97c \uc77d\uc744 \ub54c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uac00\uc2dc\uc131 \ubb38\uc81c(visibility problem)\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud55c \uac83\uc774\uace0, \ub2e4\ub978 \ud558\ub098\ub294 \uc2a4\ub808\ub4dc \uac04\uc758 \uacbd\ud569 \uc0c1\ud0dc(race condition)\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud55c \uac83\uc774\ub2e4.<\/p>\n

\uac00\uc2dc\uc131 \ubb38\uc81c<\/h3>\n

\uac00\uc2dc\uc131 \ubb38\uc81c\ub294 \uba40\ud2f0 \uc2a4\ub808\ub4dc \ud658\uacbd\uc5d0\uc11c \ubcc0\uc218 \uac12\uc774 \ubcc0\uacbd\ub418\uc5c8\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0, \ub2e4\ub978 \uc2a4\ub808\ub4dc\uc5d0\uc11c \ud574\ub2f9 \uac12\uc774 \uac31\uc2e0\ub418\uc9c0 \uc54a\ub294 \ubb38\uc81c\ub97c \uc758\ubbf8\ud55c\ub2e4. \uc774\ub7ec\ud55c \ubb38\uc81c\ub294 CPU \uce90\uc2dc, \ucef4\ud30c\uc77c\ub7ec \ucd5c\uc801\ud654 \ub4f1\uc758 \uc6d0\uc778\uc73c\ub85c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4.<\/p>\n

\uc790\ubc14\ub294 \uc774\ub7ec\ud55c \uac00\uc2dc\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \uba54\ubaa8\ub9ac \uac00\uc2dc\uc131\uc744 \ubcf4\uc7a5\ud558\ub294\ub370, \uc774\ub97c \uc704\ud574 \ubcc0\uc218\uc758 \uac12\uc744 \uc77d\uac70\ub098 \uc4f8 \ub54c \uba54\ubaa8\ub9ac\ub97c \ud1b5\ud574 \uc9c1\uc811 \uc811\uadfc\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud55c\ub2e4. \uc774\ub97c \uc704\ud574 volatile \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n

\uacbd\ud569 \uc0c1\ud0dc<\/h3>\n

\uacbd\ud569 \uc0c1\ud0dc\ub294 \uba40\ud2f0 \uc2a4\ub808\ub4dc \ud658\uacbd\uc5d0\uc11c \uc2a4\ub808\ub4dc \uac04\uc758 \uc2e4\ud589 \uc21c\uc11c\uc5d0 \ub530\ub77c \uacb0\uacfc\uac00 \ub2ec\ub77c\uc9c0\uac70\ub098, \uacf5\uc720 \ubcc0\uc218\uc758 \uac12\uc774 \ubcc0\uacbd\ub418\ub294 \ubb38\uc81c\ub97c \uc758\ubbf8\ud55c\ub2e4. \uc774\ub294 \uc2a4\ub808\ub4dc \uac04\uc758 \ub3d9\uae30\ud654 \ubb38\uc81c\ub85c, \ub3d9\uae30\ud654\ub97c \ud1b5\ud574 \ud574\uacb0\ud560 \uc218 \uc788\ub2e4.<\/p>\n

\uc790\ubc14\ub294 synchronized \ud0a4\uc6cc\ub4dc\ub97c \ud1b5\ud574 \uc2a4\ub808\ub4dc \uac04\uc758 \uacbd\ud569 \uc0c1\ud0dc\ub97c \ud574\uacb0\ud560 \uc218 \uc788\ub3c4\ub85d \uc9c0\uc6d0\ud55c\ub2e4. synchronized \ud0a4\uc6cc\ub4dc\ub294 \uac1d\uccb4\ub098 \uba54\uc11c\ub4dc\uc5d0 \ub300\ud574 \uc784\uacc4 \uc601\uc5ed\uc744 \uc124\uc815\ud558\uc5ec, \uc5ec\ub7ec \uc2a4\ub808\ub4dc\uac00 \ub3d9\uc2dc\uc5d0 \uc811\uadfc\ud560 \uc218 \uc5c6\ub3c4\ub85d \ub9c9\ub294 \uc5ed\ud560\uc744 \ud55c\ub2e4.<\/p>\n

\uc2a4\ub808\ub4dc \uc548\uc804\uc131 \uac1c\ub150\uacfc \uc911\uc694\uc131<\/h2>\n

\uc2a4\ub808\ub4dc \uc548\uc804\uc131(Thread Safety)\uc774\ub780, \uba40\ud2f0 \uc2a4\ub808\ub4dc \ud658\uacbd\uc5d0\uc11c \uc5ec\ub7ec \uc2a4\ub808\ub4dc\uac00 \ub3d9\uc2dc\uc5d0 \uc811\uadfc\ud558\ub354\ub77c\ub3c4, \uc790\ub8cc \uad6c\uc870\ub098 \uba54\uc11c\ub4dc \ub4f1\uc774 \uc758\ub3c4\ud55c \ub300\ub85c \ub3d9\uc791\ud558\ub294 \uac83\uc744 \uc758\ubbf8\ud55c\ub2e4. \uc2a4\ub808\ub4dc \uc548\uc804\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574\uc11c\ub294 \uacbd\ud569 \uc0c1\ud0dc\ub098 \uac00\uc2dc\uc131 \ubb38\uc81c \ub4f1\uc744 \ud574\uacb0\ud574\uc57c \ud558\uba70, \uc774\ub97c \uc704\ud574 \ub3d9\uae30\ud654 \ub4f1\uc758 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n

\uc2a4\ub808\ub4dc \uc548\uc804\uc131\uc774 \ubcf4\uc7a5\ub418\uc9c0 \uc54a\uc73c\uba74, \uc5ec\ub7ec \uc2a4\ub808\ub4dc\uc5d0\uc11c \ub3d9\uc2dc\uc5d0 \uc790\ub8cc \uad6c\uc870\ub098 \uba54\uc11c\ub4dc\ub97c \uc811\uadfc\ud558\uba74 \uc608\uc0c1\uce58 \ubabb\ud55c \uacb0\uacfc\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub2e4. \uc774\ub294 \ud504\ub85c\uadf8\ub7a8\uc758 \uc548\uc815\uc131\uacfc \uc2e0\ub8b0\uc131\uc744 \uc800\ud558\uc2dc\ud0a4\uace0, \ub514\ubc84\uae45\uc774 \uc5b4\ub835\uace0 \ubcf5\uc7a1\ud574\uc9c0\ub294 \ub4f1\uc758 \ubb38\uc81c\ub97c \uc57c\uae30\ud560 \uc218 \uc788\ub2e4. \ub530\ub77c\uc11c \uc2a4\ub808\ub4dc \uc548\uc804\uc131\uc740 \uba40\ud2f0 \uc2a4\ub808\ub4dc \ud658\uacbd\uc5d0\uc11c \uc548\uc815\uc801\uc778 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e4\uae30 \uc704\ud574 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc694\uc18c\uc774\ub2e4.<\/p>\n

\uc2a4\ub808\ub4dc \uc548\uc804\uc131 \ubcf4\uc7a5 \ubc29\ubc95<\/h2>\n

\uc2a4\ub808\ub4dc \uc548\uc804\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574\uc11c\ub294 \uacbd\ud569 \uc0c1\ud0dc\ub098 \uac00\uc2dc\uc131 \ubb38\uc81c \ub4f1\uc744 \ud574\uacb0\ud574\uc57c \ud55c\ub2e4. \uc774\ub97c \uc704\ud574 \uc790\ubc14\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ubc29\ubc95\ub4e4\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n

\ub3d9\uae30\ud654<\/h3>\n

\ub3d9\uae30\ud654(Synchronization)\ub294 \uc5ec\ub7ec \uc2a4\ub808\ub4dc\uac00 \ub3d9\uc2dc\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\ub294 \uc790\uc6d0(\uacf5\uc720 \ubcc0\uc218, \uba54\uc11c\ub4dc \ub4f1)\uc744 \ubcf4\ud638\ud558\uae30 \uc704\ud55c \uba54\ucee4\ub2c8\uc998\uc774\ub2e4. \ub3d9\uae30\ud654\ub97c \ud1b5\ud574 \uc784\uacc4 \uc601\uc5ed\uc744 \uc124\uc815\ud558\uace0, \uc5ec\ub7ec \uc2a4\ub808\ub4dc\uac00 \ub3d9\uc2dc\uc5d0 \uc811\uadfc\ud560 \uc218 \uc5c6\ub3c4\ub85d \ub9c9\ub294\ub2e4.<\/p>\n

\uc790\ubc14\uc5d0\uc11c\ub294 synchronized \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub3d9\uae30\ud654\ub97c \uc218\ud589\ud560 \uc218 \uc788\ub2e4. synchronized \ud0a4\uc6cc\ub4dc\ub294 \uac1d\uccb4\ub098 \uba54\uc11c\ub4dc\uc5d0 \ub300\ud574 \uc784\uacc4 \uc601\uc5ed\uc744 \uc124\uc815\ud558\uc5ec, \uc5ec\ub7ec \uc2a4\ub808\ub4dc\uac00 \ub3d9\uc2dc\uc5d0 \uc811\uadfc\ud560 \uc218 \uc5c6\ub3c4\ub85d \ub9c9\ub294 \uc5ed\ud560\uc744 \ud55c\ub2e4.<\/p>\n

public synchronized void add(int value) {\n    this.list.add(value);\n}<\/code><\/pre>\n
volatile<\/h3>\n
volatile \ud0a4\uc6cc\ub4dc\ub294 \uac00\uc2dc\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \ud0a4\uc6cc\ub4dc\uc774\ub2e4. volatile \ud0a4\uc6cc\ub4dc\uac00 \ubd99\uc740 \ubcc0\uc218\ub294 \uba54\ubaa8\ub9ac\uc5d0 \uc801\uc7ac\ub418\uc5b4 \uc2a4\ub808\ub4dc \uac04\uc758 \uacf5\uc720 \ubcc0\uc218\ub85c \uc0ac\uc6a9\ub418\uba70, \ubcc0\uc218\uc758 \uac12\uc744 \uc77d\uac70\ub098 \uc4f8 \ub54c CPU \uce90\uc2dc\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0 \uba54\ubaa8\ub9ac\uc5d0 \uc9c1\uc811 \uc811\uadfc\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud55c\ub2e4.<\/p>\n
public class MyRunnable implements Runnable {\n    private volatile boolean isRunning = true;\n\n    public void run() {\n        while (isRunning) {\n            \/\/ do something\n        }\n    }\n\n    public void stop() {\n        isRunning = false;\n    }\n}<\/code><\/pre>\n
Atomic \ud074\ub798\uc2a4<\/h3>\n
Atomic \ud074\ub798\uc2a4\ub294 \uc790\ubc14\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc6d0\uc790\uc801 \uc5f0\uc0b0\uc744 \uc218\ud589\ud558\ub294 \ud074\ub798\uc2a4\uc774\ub2e4. Atomic \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud558\uba74 \uc5ec\ub7ec \uc2a4\ub808\ub4dc\uc5d0\uc11c \ub3d9\uc2dc\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\ub294 \uc790\uc6d0\uc5d0 \ub300\ud574 \uc548\uc804\ud558\uac8c \uc6d0\uc790\uc801 \uc5f0\uc0b0\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub2e4.<\/p>\n
public class Counter {\n    private AtomicInteger count = new AtomicInteger(0);\n\n    public void increment() {\n        count.incrementAndGet();\n    }\n\n    public int getCount() {\n        return count.get();\n    }\n}<\/code><\/pre>\n
ThreadLocal \ud074\ub798\uc2a4<\/h3>\n
ThreadLocal \ud074\ub798\uc2a4\ub294 \uc2a4\ub808\ub4dc\ubcc4\ub85c \ub3c5\ub9bd\uc801\uc778 \uac12\uc744 \uac00\uc9c0\uac8c \ud558\ub294 \ud074\ub798\uc2a4\uc774\ub2e4. \uac01 \uc2a4\ub808\ub4dc\uc5d0\uc11c \ub3c5\ub9bd\uc801\uc778 \uac12\uc744 \uac00\uc9c0\ubbc0\ub85c, \uc2a4\ub808\ub4dc \uac04\uc758 \uacbd\ud569 \uc0c1\ud0dc\ub098 \uac00\uc2dc\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc788\ub2e4.<\/p>\n
public class MyRunnable implements Runnable {\n    private ThreadLocal threadLocal = new ThreadLocal() {\n        @Override\n        protected Integer initialValue() {\n            return 0;\n        }\n    };\n\n    public void run() {\n        threadLocal.set(threadLocal.get() + 1);\n        System.out.println(threadLocal.get());\n    }\n}<\/code><\/pre>\n
\ub3d9\uae30\ud654\uc640 volatile \ud0a4\uc6cc\ub4dc \uc0ac\uc6a9<\/h2>\n
\ub3d9\uae30\ud654\uc640 volatile \ud0a4\uc6cc\ub4dc\ub294 \uc2a4\ub808\ub4dc \uc548\uc804\uc131\uc744 \ubcf4\uc7a5\ud558\uae30 \uc704\ud574 \uc790\uc8fc \uc0ac\uc6a9\ub418\ub294 \ubc29\ubc95 \uc911 \ud558\ub098\uc774\ub2e4. \ub450 \ubc29\ubc95\uc758 \ucc28\uc774\uc810\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n
\ub3d9\uae30\ud654<\/h3>\n
\ub3d9\uae30\ud654\ub294 \uc5ec\ub7ec \uc2a4\ub808\ub4dc\uac00 \ub3d9\uc2dc\uc5d0 \uc811\uadfc\ud560 \uc218 \uc788\ub294 \uc790\uc6d0(\uacf5\uc720 \ubcc0\uc218, \uba54\uc11c\ub4dc \ub4f1)\uc744 \ubcf4\ud638\ud558\uae30 \uc704\ud55c \uba54\ucee4\ub2c8\uc998\uc774\ub2e4. synchronized \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac1d\uccb4\ub098 \uba54\uc11c\ub4dc\uc5d0 \ub300\ud574 \uc784\uacc4 \uc601\uc5ed\uc744 \uc124\uc815\ud558\uace0, \uc5ec\ub7ec \uc2a4\ub808\ub4dc\uac00 \ub3d9\uc2dc\uc5d0 \uc811\uadfc\ud560 \uc218 \uc5c6\ub3c4\ub85d \ub9c9\ub294\ub2e4.<\/p>\n
\ub3d9\uae30\ud654\ub294 \uc784\uacc4 \uc601\uc5ed\uc5d0 \ub4e4\uc5b4\uac00\ub294 \uc2a4\ub808\ub4dc\ub294 \ud558\ub098\uc529 \uc21c\uc11c\ub300\ub85c \uc2e4\ud589\ub418\ubbc0\ub85c, \uacbd\ud569 \uc0c1\ud0dc\ub098 \uac00\uc2dc\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc788\ub2e4. \ud558\uc9c0\ub9cc, \ub3d9\uae30\ud654\ub97c \uc0ac\uc6a9\ud558\uba74 \uc2a4\ub808\ub4dc \uac04\uc758 \uacbd\ud569 \uc0c1\ud669\uc774 \ubc1c\uc0dd\ud558\uba74 \uc131\ub2a5\uc774 \uc800\ud558\ub420 \uc218 \uc788\ub2e4.<\/p>\n
volatile<\/h3>\n
volatile \ud0a4\uc6cc\ub4dc\ub294 \uac00\uc2dc\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \ud0a4\uc6cc\ub4dc\uc774\ub2e4. volatile \ud0a4\uc6cc\ub4dc\uac00 \ubd99\uc740 \ubcc0\uc218\ub294 \uba54\ubaa8\ub9ac\uc5d0 \uc801\uc7ac\ub418\uc5b4 \uc2a4\ub808\ub4dc \uac04\uc758 \uacf5\uc720 \ubcc0\uc218\ub85c \uc0ac\uc6a9\ub418\uba70, \ubcc0\uc218\uc758 \uac12\uc744 \uc77d\uac70\ub098 \uc4f8 \ub54c CPU \uce90\uc2dc\ub97c \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0 \uba54\ubaa8\ub9ac\uc5d0 \uc9c1\uc811 \uc811\uadfc\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud55c\ub2e4.<\/p>\n
volatile \ud0a4\uc6cc\ub4dc\ub294 \ub3d9\uae30\ud654\uc640 \ub2ec\ub9ac \uacbd\ud569 \uc0c1\ud0dc\ub97c \ud574\uacb0\ud558\uc9c0\ub294 \ubabb\ud558\uc9c0\ub9cc, \uac00\uc2dc\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc788\ub2e4. \ub530\ub77c\uc11c, \uc2a4\ub808\ub4dc \uac04\uc758 \uacbd\ud569 \uc0c1\ud0dc\uac00 \uc5c6\ub294 \uacbd\uc6b0\uc5d0\ub294 volatile \ud0a4\uc6cc\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac00\uc2dc\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \uac83\uc774 \uc131\ub2a5\uc0c1 \uc774\uc810\uc774 \uc788\ub2e4.<\/p>\n
\ub9c8\ubb34\ub9ac<\/h2>\n
\uc790\ubc14 \uba54\ubaa8\ub9ac \ubaa8\ub378\uacfc \uc2a4\ub808\ub4dc \uc548\uc804\uc131 \ubcf4\uc7a5 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uc558\ub2e4. \uba40\ud2f0 \uc2a4\ub808\ub4dc \ud658\uacbd\uc5d0\uc11c \uc548\uc815\uc801\uc778 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e4\uae30 \uc704\ud574\uc11c\ub294 \uc2a4\ub808\ub4dc \uc548\uc804\uc131\uc744 \ubcf4\uc7a5\ud574\uc57c \ud558\uba70, \uc774\ub97c \uc704\ud574 \ub3d9\uae30\ud654, volatile \ud0a4\uc6cc\ub4dc, Atomic \ud074\ub798\uc2a4, ThreadLocal \ud074\ub798\uc2a4 \ub4f1\uc758 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc548\uc815\uc801\uc774\uace0 \uc2e0\ub8b0\uc131 \ub192\uc740 \ud504\ub85c\uadf8\ub7a8\uc744 \ub9cc\ub4e4 \uc218 \uc788\uc744 \uac83\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
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