[kt]
\n\/\/\ud30c\uc77c \uc4f0\uae30 1
\nimport java.io.IOException
\nimport java.nio.file.Files
\nimport java.nio.file.Paths
\nimport java.nio.file.StandardOpenOption<\/p>\n
fun main(){
\n val path = "\/file\/path\/hello.txt"
\n val text = "\uc548\ub155\uc548\ub155\uc548\ub155\uc548\ub155n\ud5ec\ub85c\ud5ec\ub85c\ud5ec\ub85c\ud5ec\ub85c"<\/p>\n
try {
\n Files.write(Paths.get(path), text.toByteArray(), StandardOpenOption.CREATE)
\n }catch(e: IOException){
\n\t\t\t\t\/\/Exception \ucc98\ub9ac
\n }
\n}<\/p>\n
\/\/standardOpenOption\uc758 \uc635\uc158\uc740 CREATE, APPEND, WRITE, READ\uac00 \uc788\ub2e4.
\n[\/kt]<\/p>\n
[kt]
\n\/\/\ud30c\uc77c \uc4f0\uae30 2
\nimport java.io.File
\nimport java.io.FileWriter
\nimport java.io.PrintWriter<\/p>\n
fun main(){
\n val outString: String = "\uc548\ub155\ud558\uc2e0\uac00?tWhat are you doing now?nAre you Serious??rStrawberies!!"
\n val path = "\/Users\/seungcheonseo\/kproject\/data\/testfile.txt"<\/p>\n
val file = File(path)
\n val printWriter = PrintWriter(file)<\/p>\n
printWriter.println(outString)
\n printWriter.close()<\/p>\n
\t\t\/\/\uc774\uac83\ub3c4 \uac19\uace0
\n File(path).printWriter().use{ out -> out.println(outString) }<\/p>\n
\t\t\/\/\uc774\uac83\ub3c4 \uac19\ub2e4. \uc778\uc790\uac00 \ud558\ub098\uc774\uae30\uc5d0 \uc774\ub807\uac8c\uae4c\uc9c0 \uc904\uc77c \uc218 \uc788\ub2e4.
\n File(path).printWriter().use{ it.println(outString) }
\n}<\/p>\n
\/\/\ucf54\ud2c0\ub9b0 \ud45c\uc900 \ud568\uc218\uc778 use\ub97c \uc0ac\uc6a9\ud558\uba74 \ub78c\ub2e4\uc2dd\uc73c\ub85c \uc804\ub2ec \ubc1b\uc740 \uac1c\uccb4\uac00 \uc0ac\uc6a9\ub41c \ub4a4 \uc790\ub3d9\uc73c\ub85c \uc548\uc804\ud558\uac8c \ud30c\uc77c\uc744 \ub2eb\uc544\uc900\ub2e4.
\n[\/kt]<\/p>\n
[kt]
\n\/\/\ud30c\uc77c \uc4f0\uae30 3
\nval file = File(path)
\nfile.writeText(outString)
\nfile.appendText("nDo Great Work!")<\/p>\n
val writer = FileWriter(path, true)
\ntry{
\n writer.write(outString)
\n}catch(e: Exception){
\n \/\/\uc624\ub958 \ubc1c\uc0dd!
\n}finally{
\n writer.close()
\n}
\n[\/kt]<\/p>\n
[kt]
\n\/\/\ucf54\ud2c0\ub9b0 \ucc45 493\ud398\uc774\uc9c0 \ucc38\uc870
\n\/\/\ud30c\uc77c \uc77d\uae30 1
\nimport java.io.*<\/p>\n
fun main(){
\n val path = "\/Users\/seungcheonseo\/kproject\/data\/otr.txt"<\/p>\n
try{
\n val read = FileReader(path)
\n println(read.readText())
\n }catch(e: Exception){
\n println(e.message)
\n }
\n}
\n[\/kt]<\/p>\n
[kt]
\n\/\/JAVA\uc2dd \ud30c\uc77c\uc77d\uae30 KOTLIN\uc73c\ub85c \ubcc0\uacbd
\nimport java.io.*
\nimport java.lang.Exception<\/p>\n
fun main(){
\n val path = "\/Users\/seungcheonseo\/kproject\/data\/otr.txt"<\/p>\n
\/\/\ub2e8\uc21c\ubcc0\ud658
\n val file = File(path)
\n val inputStream: InputStream = file.inputStream()
\n val inputStreamReader = InputStreamReader(inputStream)
\n val sb = StringBuilder()
\n var line: String?
\n val br = BufferedReader(inputStreamReader)
\n try{
\n line = br.readLine()
\n while(line != null){
\n sb.append(line, ‘n’)
\n line = br.readLine()
\n }
\n println(sb)
\n }catch(e: Exception){<\/p>\n
}finally{
\n br.close()
\n }<\/p>\n
}<\/p>\n
\/\/\uc2e4\ud589\ud558\ub294\ub370 \ubb38\uc81c\ub294 \uc5c6\uc9c0\ub9cc \ub2e8\uc21c\ud788 \ucf54\ub4dc\ub97c \ucf54\ud2c0\ub9b0\uc5d0 \ub300\uc751\ud558\ub3c4\ub85d \ubc14\uafe8\uae30\uc5d0 \ubcf4\uae30\uc5d0\ub3c4 \uc88b\uc9c0 \uc54a\uace0 \ucf54\ub4dc\ub3c4 \uc5ec\uc804\ud788 \uae38\ub2e4.<\/p>\n
\/\/\uc644\uc804 \ucf54\ud2c0\ub9b0\uc2dd\uc73c\ub85c \ubcc0\ud658!
\nval file = File(path)
\nval inputStream: InputStream = file.inputStream()
\nval text = inputStream.bufferedReader().use { it.readText() }
\nprintln(text)<\/p>\n
\/\/Java\uc758 InputStream\uc5d0\ub294 bufferedReader\uac00 \uc5c6\uc9c0\ub9cc,
\n\/\/\ucf54\ud2c0\ub9b0\uc758 kotlin.io \ub77c\uc774\ube0c\ub7ec\ub9ac \ud328\ud0a4\uc9c0\uc5d0\uc11c \ud655\uc7a5 \ud568\uc218 \uae30\ubc95\uc73c\ub85c InputStream\uc5d0 \ucd94\uac00\ub418\uc5c8\ub2e4.<\/p>\n
\/\/file\uac1d\uccb4\ub97c \uc0dd\ub7b5\ud558\uace0 \uc774\ub807\uac8c\ub3c4 \uc218\uc815 \uac00\ub2a5
\nval bufferedReader: BufferedReader = File(path).bufferedReader()
\nval inputString = bufferedReader.use { it.readText() }
\nprintln(inputString)<\/p>\n
\/\/\uc904 \ub2e8\uc704\ub85c \ucc98\ub9ac\ud558\ub824\uba74 usd() \ub300\uc2e0 useLines()\ub97c \uc0ac\uc6a9 \uac00\ub2a5. \ucf54\ud2c0\ub9b0\uc758 \uc2dc\ud000\uc2a4\ub97c \uc774\uc6a9\ud558\uace0 \uc788\uc73c\uba74 \uc0ac\uc6a9 \ud6c4 \ud30c\uc77c\uc744 \uc790\ub3d9\uc73c\ub85c \ub2eb\ub294\ub2e4.
\nval bufferedReader = File(path).bufferedReader()
\nval lineList = mutableListOf<String>()
\nbufferedReader.useLines { lines -> lines.forEach { lineList.add(it) } }
\nlineList.forEach { println("> " + it) }<\/p>\n
\/\/\uc774\uc81c bufferedReader\uae4c\uc9c0 \uc0dd\ub7b5\ud558\uace0 \ud30c\uc77c\uc744 \uc9c1\uc811 \uc0ac\uc6a9\ud574\ubcf4\uc790.
\nval lineList = mutableListOf<String>()
\nFile(path).useLines { lines -> lines.forEach { lineList.add(it) } }
\nlineList.forEach { println("> " + it) }<\/p>\n
\/\/\uc774\ub807\uac8c \ucf54\ud2c0\ub9b0\uc758 \ud45c\uc900 \ud568\uc218\uc640 \ud568\uaed8 \ud30c\uc77c \uc77d\uae30\uc640 \uc4f0\uae30\ub97c \uad6c\ud604\ud558\uba74 \ucf54\ub4dc\ub97c \uac04\ub7b5\ud558\uac8c \uc791\uc131\ud560 \uc218 \uc788\ub2e4.<\/p>\n
\/\/\ud30c\uc77c \ubcf5\uc0ac
\nFile(path).copyTo(File("\/Users\/seungcheonseo\/kproject\/data\/otr2.txt"))<\/p>\n
\/\/\ud30c\uc77c\uc758 \ub0b4\uc6a9 \ucd9c\ub825\ud558\uae30
\nFile(path).forEachLine { println(it) }<\/p>\n
\/\/\ubc14\uc774\ud2b8 \ub2e8\uc704\ub85c \uc77d\uae30 (\uc4f0\uae30\ub294 writeBytes())
\nval bytes = File(path).readBytes()
\nprintln(Arrays.toString(bytes))<\/p>\n
\/\/\uc904 \ub2e8\uc704\ub85c \uc77d\uae30
\nval lines = File(path).readLines()
\nlines.forEach { println(it) }<\/p>\n
\/\/\ud14d\uc2a4\ud2b8 \ub2e8\uc704\uc704\ub85c \uc77d\uae30 (\uc4f0\uae30\ub294 writeTest())
\nval text = File(path).readText()
\ntext.forEach { println(it) }
\n[\/kt]<\/p>\n","protected":false},"excerpt":{"rendered":"
[kt] \/\/\ud30c\uc77c \uc4f0\uae30 1 import java.io.IOException import java.nio.file.Files import java.nio.file.Paths import java.nio.file.StandardOpenOption fun main(){ val path = "\/file\/path\/hello.txt" val text = "\uc548\ub155\uc548\ub155\uc548\ub155\uc548\ub155n\ud5ec\ub85c\ud5ec\ub85c\ud5ec\ub85c\ud5ec\ub85c" try { Files.write(Paths.get(path), text.toByteArray(), StandardOpenOption.CREATE) }catch(e: IOException){ \/\/Exception \ucc98\ub9ac } } \/\/standardOpenOption\uc758 \uc635\uc158\uc740 CREATE, APPEND, WRITE, READ\uac00 \uc788\ub2e4. [\/kt] [kt] \/\/\ud30c\uc77c \uc4f0\uae30 2 import java.io.File import java.io.FileWriter import java.io.PrintWriter fun main(){ val outString: … <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[349,7,4],"tags":[],"class_list":["post-693","post","type-post","status-publish","format-standard","hentry","category-kotlin","category-development","category-it"],"_links":{"self":[{"href":"https:\/\/www.itchefblog.com\/index.php?rest_route=\/wp\/v2\/posts\/693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.itchefblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.itchefblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.itchefblog.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.itchefblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=693"}],"version-history":[{"count":1,"href":"https:\/\/www.itchefblog.com\/index.php?rest_route=\/wp\/v2\/posts\/693\/revisions"}],"predecessor-version":[{"id":695,"href":"https:\/\/www.itchefblog.com\/index.php?rest_route=\/wp\/v2\/posts\/693\/revisions\/695"}],"wp:attachment":[{"href":"https:\/\/www.itchefblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.itchefblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.itchefblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}