循环语句

src/basic/Loop.kt

@@ -0,0 +1,42 @@
+package basic
+
+/**
+ * 循环语句
+ */
+
+fun main(args: Array<String>) {
+    // for循环
+    println("\n=== for in ===")
+
+    var a: IntRange = 1..5
+    for (i in a) {
+        print(i.toString() + "\t")
+    }
+
+    for (i in 5..10) {
+        print(i.toString() + "\t")
+    }
+
+    println("\n=== while ===")
+    // while循环
+    var b: Int = 6
+    while (b > 0) {
+        println(b--)
+    }
+    println("=== do while ===")
+    do {
+        println(b++)
+    } while (b <= 6)
+
+    println("\n=== forEach ===")
+    var array: IntArray = intArrayOf(6, 7, 8, 9, 10)
+    array.forEach {
+        println(it)
+    }
+    println("\n=== forEach 2 ===")
+    array.forEach { i -> println(i) }
+
+    println("\n=== forEach 3 ===")
+    // 带有下标的foreach
+    array.forEachIndexed { index, i -> println("index:${index},i:${i}") }
+}