逻辑运算符

src/basic/Operation.kt

@@ -55,4 +55,11 @@ fun main(args: Array<String>) {
     println(e <= f)
     println(e == f)
     println(e.compareTo(f))
+
+    var g = true
+    var h = false
+    println(!g)
+    println(!h)
+    println(g && h)
+    println(g || h)
 }