?

這里有一段代碼：

public class EmbededFinally {

??? ?public static void main(String args[]) {

??????? ??int result;

??????? ??try {

??????????? ???System.out.println("in Level 1");

?

?????????? ?? ?try {

??????????????? ????System.out.println("in Level 2");

?????????????????? // result=100/0;? //Level 2

?????????????? ?????try {

?????????????????? ???? ?System.out.println("in Level 3");

????????????????????? ???? ?result=100/0;? //Level 3

??????????????? ????}

??????????????? ????catch (Exception e) {

??????????????????? ?????System.out.println("Level 3:" + e.getClass().toString());

??????????????? ????}

?????????????????????finally {

??????????????????? ?????System.out.println("In Level 3 finally");

??????????????? ????}

????????????????????// result=100/0;? //Level 2

??????????? ????}

????catch (Exception e) {

?????????????? ??? ?System.out.println("Level 2:" + e.getClass().toString());

?????????? ?? ?}

?? ?finally {

??????????????? ????System.out.println("In Level 2 finally");

?????????? ??? }

???????????? ???// result = 100 / 0;? //level 1

??????? ??}

??????? ??catch (Exception e) {

??????????? ???System.out.println("Level 1:" + e.getClass().toString());

??????? ??}

??????? ??finally {

?????????? ?? ?System.out.println("In Level 1 finally");

??????? ??}

??? ?}

}

當我去掉level2中頂部的在level3 try之前的注釋時level3中的catch不執行。

當我去掉level2中底部的在level3之后的注釋時level3中的catch執行。

于是得到，當在try內發現錯誤時則拋出異常，而try內編碼則不繼續向下執行。之后catch接到異常并執行，最后執行同等級finally。

?

轉載于:https://www.cnblogs.com/hehejeson/p/4963828.html

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