Untitled
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| Language | Scala |
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| Owner | w3xue |
| Created | 3 years ago |
| Modified | 3 years ago |
| Visibility | Public |
object Main {
def main(args: Array[String]) {
val site = Set("W3xue", "Google", "Baidu")
val nums: Set[Int] = Set()
println( "第一网站是 : " + site.head )
println( "最后一个网站是 : " + site.tail )
println( "查看列表 site 是否为空 : " + site.isEmpty )
println( "查看 nums 是否为空 : " + nums.isEmpty )
}
}
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