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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                ```scala package org.example object App{ def main(args: Array[String]): Unit = { val x = 10 // if語句 if (x > 0) { println("x大于0") // x大于0 } // if/else if(x > 10) { println("x大于10") } else { println("x小于等于10") // x小于等于10 } // if/else/if語句 if (x > 10) { println("x大于10") } else if (x == 10) { println("x等于10") // x等于10 } else { println("x小于10") } // Scala任何表達式都可以有返回值 val y = if (x == 10) x + 1 else x println(y) // 11 // 代碼塊{ }也是表達式,返回值為最后一個表達式結果 val z = { x + 1 } println(z) // 11 } } ```
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