下面的简单示例程序演示的关系运算符。复制并粘贴到一个Test.scala文件中,编译并运行此Scala程序程序。
object Test {
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) );
}
}
这将产生以下结果:
C:/>scalac Test.scala C:/>scala Test a == b = false a != b = true a > b = false a < b = true b >= a = true b <= a = false C:/>