\n C#\uc740 \uac1d\uccb4 \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d(OOP) \uc5b8\uc5b4\ub85c \uc798 \uc54c\ub824\uc838 \uc788\uc9c0\ub9cc, LINQ(\uc5b8\uc5b4 \ud1b5\ud569 \ucffc\ub9ac)\uc640 \ub78c\ub2e4 \ud45c\ud604\uc2dd\uc758 \ub3c4\uc785 \uc774\ud6c4 \ud568\uc218\ud615 \ud504\ub85c\uadf8\ub798\ubc0d \uc694\uc18c\ub3c4 \uc9c0\uc6d0\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 LINQ\uc758 \uae30\ubcf8 \uac1c\ub150, \ud568\uc218\ud615 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uc6d0\uce59, \ub78c\ub2e4 \ud45c\ud604\uc2dd\uc758 \ud65c\uc6a9 \ubc29\ubc95\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\uace0, \uba87 \uac00\uc9c0 \uc608\uc81c\ub97c \ud1b5\ud574 \uc774\ud574\ub97c \ub3d5\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n
\n LINQ\ub294 C#\uacfc \uac19\uc740 .NET \uc5b8\uc5b4\uc5d0\uc11c \ub370\uc774\ud130 \ucffc\ub9ac \uc791\uc131\uc758 \uac04\ud3b8\ud568\uc744 \uc81c\uacf5\ud558\ub294 \uae30\ub2a5\uc785\ub2c8\ub2e4. SQL\uacfc \uc720\uc0ac\ud55c \ubb38\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubc30\uc5f4, \ub9ac\uc2a4\ud2b8, XML, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ub4f1 \ub2e4\uc591\ud55c \ub370\uc774\ud130 \uc18c\uc2a4\uc5d0 \ub300\ud574 \ucffc\ub9ac\ub97c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. LINQ\ub97c \uc0ac\uc6a9\ud558\uba74 \ucf54\ub4dc\uac00 \ub354 \uba85\ud655\ud574\uc9c0\uace0 \uc0dd\uc0b0\uc131\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.\n <\/p>\n
\n LINQ\ub294 \ub450 \uac00\uc9c0 \uad6c\ubb38\uc744 \uc9c0\uc6d0\ud558\ub294\ub370, \ucffc\ub9ac \uc2dd \ubb38\ubc95\uacfc \uba54\uc11c\ub4dc \ubb38\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ucffc\ub9ac \uc2dd \ubb38\ubc95\uc740 SQL\uacfc \uc720\uc0ac\ud558\uba70, \uba54\uc11c\ub4dc \ubb38\ubc95\uc740 \uba54\uc11c\ub4dc \uccb4\uc774\ub2dd\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.\n <\/p>\n
\nvar numbers = new List { 1, 2, 3, 4, 5 };\n\/\/ \ucffc\ub9ac \uc2dd \ubb38\ubc95\nvar evenNumbersQuery = from n in numbers\n where n % 2 == 0\n select n;\n\n\/\/ \uba54\uc11c\ub4dc \ubb38\ubc95\nvar evenNumbersMethod = numbers.Where(n => n % 2 == 0);\n <\/int><\/code><\/pre>\n2. \ud568\uc218\ud615 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uc6d0\uce59<\/h2>\n
\n \ud568\uc218\ud615 \ud504\ub85c\uadf8\ub798\ubc0d\uc740 \uc0c1\ud0dc \ubcc0\ud654\uc640 \uac00\ubcc0 \ub370\uc774\ud130\ub97c \ud53c\ud558\uace0, \ud568\uc218\uc758 \uacb0\uacfc\uac00 \uc8fc\uc5b4\uc9c4 \uc778\uc790\uc5d0\ub9cc \uc758\uc874\ud558\ub3c4\ub85d \ubcf4\uc7a5\ud558\ub294 \ud504\ub85c\uadf8\ub798\ubc0d \ud328\ub7ec\ub2e4\uc784\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ucf54\ub4dc\uc758 \uc7ac\uc0ac\uc6a9\uc131\uacfc \uac00\ub3c5\uc131\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4.\n <\/p>\n
2.1 \uc21c\uc218 \ud568\uc218<\/h3>\n
\n \uc21c\uc218 \ud568\uc218\ub294 \ub3d9\uc77c\ud55c \uc785\ub825\uc5d0 \ub300\ud574 \ud56d\uc0c1 \ub3d9\uc77c\ud55c \ucd9c\ub825\uc744 \ubc18\ud658\ud558\uba70, \ud568\uc218 \uc678\ubd80\uc758 \uc0c1\ud0dc\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud2b9\uc131 \ub355\ubd84\uc5d0 \ud14c\uc2a4\ud2b8\uc640 \ub514\ubc84\uae45\uc774 \uc6a9\uc774\ud569\ub2c8\ub2e4.\n <\/p>\n
2.2 \uace0\ucc28 \ud568\uc218<\/h3>\n
\n \uace0\ucc28 \ud568\uc218\ub294 \ub2e4\ub978 \ud568\uc218\ub97c \ub9e4\uac1c\ubcc0\uc218\ub85c \ubc1b\uac70\ub098 \ud568\uc218\ub97c \ubc18\ud658\ud558\ub294 \ud568\uc218\uc785\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \ucf54\ub4dc\uc758 \uc720\uc5f0\uc131\uc744 \ub192\uc774\uace0, \uae30\ub2a5\uc801\uc778 \uad6c\uc870\ub97c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n
3. \ub78c\ub2e4 \ud45c\ud604\uc2dd<\/h2>\n
\n \ub78c\ub2e4 \ud45c\ud604\uc2dd\uc740 \uc775\uba85 \ud568\uc218\ub97c \uac04\uacb0\ud558\uac8c \uc815\uc758\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc73c\ub85c, C#\uc5d0\uc11c\ub294 =><\/code> \uc5f0\uc0b0\uc790\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc9e7\uc740 \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc73c\uba70, LINQ \ucffc\ub9ac\uc758 \uac00\ub3c5\uc131\uc744 \ub192\uc5ec\uc90d\ub2c8\ub2e4.\n <\/p>\n3.1 \ub78c\ub2e4 \ud45c\ud604\uc2dd\uc758 \uad6c\uc870<\/h3>\n\nvar square = (int x) => x * x;\n <\/code><\/pre>\n3.2 \ub78c\ub2e4 \ud45c\ud604\uc2dd\uc744 \uc0ac\uc6a9\ud558\ub294 LINQ \uc608\uc81c<\/h3>\n
\n \ub2e4\uc74c \uc608\uc81c\ub294 \uc815\uc218 \ubaa9\ub85d\uc5d0\uc11c \ud640\uc218\ub97c \ud544\ud130\ub9c1\ud558\uace0 \uc81c\uacf1\ud55c \uac12\uc744 \ucd9c\ub825\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.\n <\/p>\n
\nvar numbers = new List { 1, 2, 3, 4, 5 };\nvar oddSquares = numbers.Where(n => n % 2 != 0)\n .Select(n => n * n);\n\nforeach (var num in oddSquares)\n{\n Console.WriteLine(num);\n} \n <\/int><\/code><\/pre>\n4. LINQ\uc640 \ud568\uc218\ud615 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uacb0\ud569<\/h2>\n
\n LINQ\ub294 \ud568\uc218\ud615 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uc6d0\uce59\uc744 \uc798 \uc801\uc6a9\ud55c \uc608\ub85c, \ucffc\ub9ac \uc5f0\uc0b0\uc744 \ud568\uc218\ub85c \ucd94\uc0c1\ud654\ud558\uc5ec \ub9cc\ub4e4\uc5b4\uc9c4 \uae30\ub2a5\uc785\ub2c8\ub2e4. \uc774\ub294 \uc0c1\ud669\uc5d0 \ub530\ub77c \ub370\uc774\ud130 \ucc98\ub9ac \ubc29\uc2dd\uc744 \ub2e4\uc591\ud55c \ubc29\ubc95\uc73c\ub85c \ubcc0\uacbd\ud560 \uc218 \uc788\ub294 \uc720\uc5f0\uc131\uc744 \uc81c\uc2dc\ud569\ub2c8\ub2e4.\n <\/p>\n
4.1 \uadf8\ub8f9\ud654\uc640 \uc9d1\uacc4<\/h3>\n
\n LINQ\ub294 \ub370\uc774\ud130 \uadf8\ub8f9\ud654\uc640 \uc9d1\uacc4 \uae30\ub2a5\uc744 \uc9c0\uc6d0\ud558\uc5ec \ud1b5\uacc4\uc801 \uc791\uc5c5\uc744 \uc27d\uac8c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud559\uc0dd \uc131\uc801 \ub370\uc774\ud130\uc5d0\uc11c \uacfc\ubaa9\ubcc4 \ud3c9\uade0 \uc810\uc218\ub97c \uacc4\uc0b0\ud558\ub294 \uac83\uc744 \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.\n <\/p>\n
\nvar students = new List\n{\n new Student { Name = \"Alice\", Subject = \"Math\", Score = 82 },\n new Student { Name = \"Bob\", Subject = \"Math\", Score = 75 },\n new Student { Name = \"Alice\", Subject = \"English\", Score = 90 },\n new Student { Name = \"Bob\", Subject = \"English\", Score = 85 }\n};\n\nvar averageScores = students.GroupBy(s => s.Subject)\n .Select(g => new \n { \n Subject = g.Key, \n AverageScore = g.Average(s => s.Score) \n });\n\nforeach (var avg in averageScores)\n{\n Console.WriteLine($\"Subject: {avg.Subject}, Average Score: {avg.AverageScore}\");\n} \n <\/student><\/code><\/pre>\n4.2 \ud30c\uc774\ud504\ub77c\uc778 \uc2a4\ud0c0\uc77c \ucf54\ub4dc<\/h3>\n
\n LINQ\ub294 \uc791\uc5c5\uc744 \uccb4\uc778 \ubc29\uc2dd\uc73c\ub85c \uc5f0\uacb0\ud558\uc5ec \uac00\ub3c5\uc131\uc744 \ub192\uc774\uba70, \uc5f0\uc0b0 \uc21c\uc11c\ub97c \uba85\ud655\ud558\uac8c \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c \uc608\uc81c\ub294 \ub2e4\uc218\uc758 \uc791\uc5c5\uc744 \uc5f0\uc18d\uc801\uc73c\ub85c \uc218\ud589\ud558\uc5ec \uacb0\uacfc\ub97c \ucd9c\ub825\ud558\ub294 \ubc29\uc2dd\uc785\ub2c8\ub2e4.\n <\/p>\n
\nvar integers = new List { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };\n\nvar processedNumbers = integers\n .Where(n => n % 2 == 0) \/\/ \uc9dd\uc218 \ud544\ud130\ub9c1\n .Select(n => n * n) \/\/ \uc81c\uacf1\ud654\n .OrderByDescending(n => n); \/\/ \ub0b4\ub9bc\ucc28\uc21c \uc815\ub82c\n\nforeach (var number in processedNumbers)\n{\n Console.WriteLine(number);\n} \n <\/int><\/code><\/pre>\n5. \uacb0\ub860<\/h2>\n
\n LINQ\uc640 \ud568\uc218\ud615 \ud504\ub85c\uadf8\ub798\ubc0d\uc740 C#\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\ub4e4\uc785\ub2c8\ub2e4. LINQ\ub294 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uc791\uc5c5\uc744 \uac04\ub2e8\ud558\uac8c \ucc98\ub9ac\ud560 \uc218 \uc788\uac8c \ud574\uc8fc\uba70, \ud568\uc218\ud615 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uc694\uc18c\ub4e4\uc744 \uc0ac\uc6a9\ud558\uc5ec \ucf54\ub4dc\ub97c \ub354\uc6b1 \uba85\ud655\ud558\uace0 \uac04\uacb0\ud558\uac8c \ub9cc\ub4e4\uc5b4 \uc90d\ub2c8\ub2e4. \uc774 \ub450 \uac00\uc9c0 \uae30\uc220\uc744 \ud1b5\ud574 \uac1c\ubc1c\uc790\ub294 \ub354\uc6b1 \uc0dd\uc0b0\uc801\uc774\uace0 \uc720\uc9c0 \ubcf4\uc218\ud558\uae30 \uc26c\uc6b4 \ucf54\ub4dc\ub97c \uc791\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n
\n \uc55e\uc73c\ub85c\ub3c4 C#\uc758 \uace0\uae09 \uae30\ub2a5\ub4e4\uc744 \uc9c0\uc18d\uc801\uc73c\ub85c \ud0d0\uad6c\ud558\uace0, \ud568\uc218\ud615 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \uac1c\ub150\uc744 \ud655\uc7a5\ud574 \ub098\uac00\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \ub2e4\uc591\ud55c \uc608\uc81c\ub97c \ud1b5\ud574 \uc774\ub7ec\ud55c \uc6d0\uce59\ub4e4\uc744 \uc2e4\uc81c\ub85c \uc801\uc6a9\ud574 \ubd04\uc73c\ub85c\uc368, \uc5ec\ub7ec\ubd84\uc758 \ud504\ub85c\uadf8\ub798\ubc0d \ub2a5\ub825\uc744 \ud55c\uce35 \ub354 \ubc1c\uc804\uc2dc\ud0ac \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4.\n <\/p>\n
<\/body><\/p>\n","protected":false},"excerpt":{"rendered":"