fun main(args:Array<String>){ val name = if(args.size > 0) args[0] else "Kotlin" println("Hello, $name!") } 1. 2. 3. 4. 除了通过 引用变量名称外,还可以通过 引 用 变 量 名 称 外 , 还 可 以 通 过 {} 引用更复杂的表达式 fun main(args:Array<String>){ if(args.size > ...
使用StringBuilder或StringBuffer拼接字符串,StringBuilder是线程不安全的,StringBuffer是线程安全的//常规写法vark:String = StringBuilder().append("我").append("在").append("学").append("Java").toString();//Lambda表达式写法,函数式编程varl:String = buildString {...
val string = msg.data.getString(HANDLER_RECEIVE_BUNDLE) stringBuffer.append(string) check_serial_receive_to16.setOnClickListener { if (check_serial_receive_to16.isChecked) { txt_serial_receive.text = string2Unicode(stringBuffer.toString()) } else { txt_serial_receive.text = stringBuffer.toSt...
package com.dengyin2000.java;public class StringUtils { public static String connect(String... strings) { StringBuilder sb = new StringBuilder(); for (String string : strings) { sb.append(string).append(","); } return sb.toString(); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11....
编译后顶层函数会成为文件类下的静态函数,比如在文件名是join.kt下定义的joinToString函数可以通过JoinKt.joinToSting调用,其中JoinKt是编译后的类名。 代码语言:java 复制 // 编译成静态函数// 文件名 join.ktpackagestringsfunjoinToString():String{...}/* Java */importstrings.JoinKt;JoinKt.joinToSting(.....
append(separator) //不用在第一个元素前添加分隔符 result.append(element) } result.append(postfix) //最后个元素分隔符 return result.toString() } 依旧在MainTest里调用 import src.strings.joinToString //不同包目录下调用顶层函数需导包 //调用 fun main(args: Array<String>) { val list = ...
fun soUrl(userID: String) = "https://stackoverflow.com/users/$userID" val topFive = topFolks .sortBy { `Average Answer Score` } .tail() .reverse() val content = buildString { append("") topFive.forEach { val userID = `User Link`.toString() val average...
leads to exception: Unexpected receiver type: kotlin.String KT-58437 K2: Do not use descriptors in KonanSymbols KT-57432 K2: Don't create default getters and setters in case when they are not needed KT-46047 FIR: incorrect type of integer literals KT-57487 [K2/N] Stdlib ArraysTest fails...
var10000 = $result;break;default:thrownewIllegalStateException("call to 'resume' before 'invoke' with coroutine"); }//这里执行代码块2的任务x = (String)var10000;//var10000为lable=1中的resultvar10 = (newStringBuilder()).append("eee:"); ...
()asHttpURLConnectionvalresponseCode=connection.responseCodevalresponseMessage=connection.responseMessagevalinputStream=connection.inputStreamvalbuffer=StringBuffer()varlen=inputStream.read()while(len!=-1){buffer.append(len.toChar())len=inputStream.read()}println("Response Code: $responseCode")println("...