{"id":134043,"date":"2020-07-20T23:20:14","date_gmt":"2020-07-20T15:20:14","guid":{"rendered":"http:\/\/4563.org\/?p=134043"},"modified":"2020-07-20T23:20:14","modified_gmt":"2020-07-20T15:20:14","slug":"scala%e8%af%ad%e8%a8%80%e5%ad%a6%e4%b9%a0%ef%bc%88%e5%85%ab%ef%bc%89%e3%80%81%e5%bc%82%e5%b8%b8%e5%a4%84%e7%90%86%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=134043","title":{"rendered":"scala\u8bed\u8a00\u5b66\u4e60\uff08\u516b\uff09\u3001\u5f02\u5e38\u5904\u7406\u673a\u5236"},"content":{"rendered":"

<\/a>\u5f02\u5e38\u5904\u7406<\/h2>\n

Scala \u7684\u5f02\u5e38\u5904\u7406\u548c\u5176\u5b83\u8bed\u8a00\u6bd4\u5982 Java \u7c7b\u4f3c\uff0cScala \u7684\u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u629b\u51fa\u5f02\u5e38\u7684\u65b9\u6cd5\u7684\u65b9\u5f0f\u6765\u7ec8\u6b62\u76f8\u5173\u4ee3\u7801\u7684\u8fd0\u884c\uff0c\u800c\u4e0d\u5fc5\u901a\u8fc7\u8fd4\u56de\u503c\u3002<\/p>\n

<\/a>\u5f02\u5e38\u573a\u666f<\/h3>\n
\n\n\n
\n
1<\/span>
2<\/span>
3<\/span>
4<\/span>
5<\/span>
6<\/span>
7<\/span>
8<\/span>
9<\/span>
10<\/span>
11<\/span>
12<\/span>
13<\/span>
<\/pre>\n<\/td>\n
\n
package<\/span> xin.studytime.App<\/span><\/span>
<\/span>
object<\/span> ExceptionDemo01<\/span> <\/span>{<\/span>
  def<\/span> main<\/span><\/span>(args: Array<\/span>[String<\/span>]): Unit<\/span> = {<\/span>
    val<\/span> i = 10<\/span> \/ 0<\/span><\/span>
<\/span>
    println(\"\u4f60\u597d\uff01\"<\/span>)<\/span>
  }<\/span>
}<\/span>
<\/span>
Exception<\/span> in thread \"main\"<\/span> java.lang.ArithmeticException<\/span>: \/ by zero<\/span>
\tat xin.studytime.App<\/span>.ExceptionDemo01<\/span>$.main(ExceptionDemo01<\/span>.scala:5<\/span>)<\/span>
\tat xin.studytime.App<\/span>.ExceptionDemo01<\/span>.main(ExceptionDemo01<\/span>.scala)<\/span>
<\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n
\u6267\u884c\u7a0b\u5e8f\uff0c\u53ef\u4ee5\u770b\u5230scala\u629b\u51fa\u4e86\u5f02\u5e38\uff0c\u800c\u4e14\u6ca1\u6709\u6253\u5370\u51fa\u6765\u201d\u4f60\u597d\u201d\u3002\u8bf4\u660e\u7a0b\u5e8f\u51fa\u73b0\u9519\u8bef\u540e\u5c31\u7ec8\u6b62\u4e86\u3002\u90a3\u600e\u4e48\u89e3\u51b3\u8be5\u95ee\u9898\u5462\uff1f<\/p>\n
<\/a>\u6355\u83b7\u5f02\u5e38<\/h3>\n
\u5728Scala\u91cc\uff0c\u501f\u7528\u4e86\u6a21\u5f0f\u5339\u914d\u7684\u601d\u60f3\u6765\u505a\u5f02\u5e38\u7684\u5339\u914d\u3002<\/p>\n
scala\u5f02\u5e38\u683c\u5f0f\uff1a<\/p>\n
\n\n\n
\n
1<\/span>
2<\/span>
3<\/span>
4<\/span>
5<\/span>
6<\/span>
7<\/span>
8<\/span>
9<\/span>
10<\/span>
<\/pre>\n<\/td>\n
\n
try<\/span> {<\/span>
    \/\/ \u4ee3\u7801<\/span><\/span>
}<\/span>
catch<\/span> {<\/span>
    case<\/span> ex:\u5f02\u5e38\u7c7b\u578b1<\/span> => \/\/ \u4ee3\u7801<\/span><\/span>
    case<\/span> ex:\u5f02\u5e38\u7c7b\u578b2<\/span> => \/\/ \u4ee3\u7801<\/span><\/span>
}<\/span>
finally<\/span> {<\/span>
    \/\/ \u4ee3\u7801<\/span><\/span>
}<\/span>
<\/pre>\n<\/td>\n<\/tr>\n<\/table>\n<\/figure>\n