/*
 * Copyright (C) 2007-2020 Artima, Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Automatically generated Scala interpreter transcript from:
 *
 * Programming in Scala (Fifth Edition)
 * by Martin Odersky, Lex Spoon, Bill Venners, and Frank Sommers
 *
 * http://booksites.artima.com/programming_in_scala_5ed
 */


scala> 1 + 2
res0: Int = 3

scala> res0 * 3
res1: Int = 9

scala> println("Hello, world!")
Hello, world!

scala> val msg = "Hello, world!"
msg: String = Hello, world!

scala> val msg2: java.lang.String = "Hello again, world!"
msg2: String = Hello again, world!

scala> val msg3: String = "Hello yet again, world!"
msg3: String = Hello yet again, world!

scala> println(msg)
Hello, world!

scala> msg = "Goodbye cruel world!"
           ^
       error: reassignment to val

scala> var greeting = "Hello, world!"
greeting: String = Hello, world!

scala> greeting = "Leave me alone, world!"
mutated greeting

scala> val multiLine =

scala> def greet() = println("Hello, world!")
greet: ()Unit