基本文法
(1)字元串,通過+号連接配接
(2)printf用法:字元串,通過%傳值。
(3)字元串,通過$引用
demo
字元串,通過+号連接配接
var name: String = "jinlian"
var age: Int = 18
println(name + " " + age)
output:
jinlian 18
通過%傳值和%d。用的不太多
var name: String = "jinlian"
var age: Int = 18
printf("name=%s age=%d\n", name, age)
output:
name=jinlian age=18
字元串,通過$引用
var name: String = "jinlian"
var age: Int = 18
println(s"name=$name age=$age")
output:
name=jinlian age=18
帶格式的輸出
var name: String = "jinlian"
var age: Int = 18
println(
s"""
name=${name}
age=${age}
"""
)
name=jinlian
age=18
使用管道符和stripMargin解決縮進問題
println(
s""" |
|name=${name}
|age=${age}
|""".stripMargin
)
name=jinlian
age=18