/** class and instance sample */ class SimpleClass(id:String) { // インスタンス化のタイミングで実行される。 println("create SimpleClass id:" + id) } scala> val hoge = new SimpleClass("test") create SimpleClass id:test hoge: SimpleClass = SimpleClass@40ab627a 基本コンストラクタが引数有りなので、引数なしではインスタンス化できない。 scala> val hoge = new SimpleClass :7: error: not enough arguments for constructor SimpleClass: (id: String)SimpleClass. Unsp
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