val string: String = "HelloWorld" //字符串對(duì)象
val fromChars: String = String(charArrayOf('H','e','l','l','o','W','o','r','l','d')) //由字符組成的字符串對(duì)象

fun main(args: Array<String>) {
    println(string == fromChars) //相當(dāng)于equals方法，比較其內(nèi)容
    println(string === fromChars) //比較是不是同一個(gè)對(duì)象

    val arg1: Int = 2
    val arg2: Int = 8
    println("$arg1 + $arg2 = ${arg1 + arg2}") //字符串模板

    //Hello "Jack"
    val sayHello: String = "Hello \"Jack\""
    println(sayHello) //輸出轉(zhuǎn)義字符

    //$salary
    println("\$salary") //輸出轉(zhuǎn)義字符

    //原生字符串
    val rawString: String = """
       You never like the world
       I just not so happy
    """
    println(rawString)
    println(rawString.length) //打印原生字符串的長(zhǎng)度
}

運(yùn)行結(jié)果