Scala基础篇-04 try表达式

1.try表达式

• 定义

try{}
catch{}
finally{}

//例子
try{
Integer.parseInt("dog")
}catch {
case _ => 0
}finally {
println("always be printed")
}

2.match表达式

exp match{
case p1 =>val1
case p2 =>val2
...
case _ => valm
}

val code=1
code match{
case 1 =>"one"
case 2 =>"two"
case _ =>"other"
}