Scala example source code file (t2754.scala)

This example Scala source code file (t2754.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Scala tags/keywords

array, foo, foo, foobar, foobar, foobarimpl, foobarplus, foobarplus, foobarplusimpl, fooimpl, int, p, p, test

The Scala t2754.scala source code

object Test {
    def main(args: Array[String]) {
        val v: FooBarPlus[Int] = new FooBarPlusImpl()
        v.foo += 10
    }
}

trait Foo[P] {
    def foo: P
}

trait FooBar[P] extends Foo[P] {
    def bar: P
}

trait FooBarPlus[P] extends FooBar[P] {
    override def foo: P
    override def bar: P

    def foo_=(x: P)
    def bar_=(x: P)
}

class FooImpl extends Foo[Int] {
    def foo = 1
}

class FooBarImpl extends FooImpl with FooBar[Int] {
    protected var f = 0
    protected var b = 0

    override def foo = f
    def bar = b
}

class FooBarPlusImpl extends FooBarImpl with FooBarPlus[Int] {
    def foo_=(x: Int) { f = x }
    def bar_=(x: Int) { b = x }
}