与java中内部类不同的事,Scala里面,内部类是属于对象的
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class Outer(val name: String) { outer => //val outer
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class Inner(val name: String){
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def foo(b:Inner) = println("Outer: " + outer.name +
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" Inner: " + b.name)
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}
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}
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def main(args: Array[String]) {
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val outer1 = new Outer("Spark")
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val outer2 = new Outer("Hadoop")
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val inner1 = new outer1.Inner("Scala")
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val inner2 = new outer2.Inner("Java")
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inner1.foo(inner1);
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inner2.foo(inner2);
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}
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/28912557/viewspace-1839504/
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