Scala 关系运算符 尝试下面的示例程序,了解Scala编程语言中的所有关系运算符。 示例 object Demo { def main(args: Array[String]) { var a = 10; var b = 20; println("a == b = " + (a == b) ); println("a != b = " + (a != b) ); println("a > b = " + (a > b) ); println("a < b = " + (a < b) ); println("b >= a = " + (b >= a) ); println("b <= a = " + (b <= a) ); } }ScalaCopy 将以上程序保存在 Demo.scala 中。使用以下命令来编译和执行该程序。 命令行 >scalac Demo.scala \>scala DemoScalaCopy 输出 a == b = false a != b = true a > b = false a < b = true b >= a = true b <= a = falseScalaCopy