Java的finally与后续代码的调用测试

Java的finally调用机制测试

测试结论：

1. finally会在后续代码之前进行调用
2. finally在Catch中向外丢出Exception之后也会执行，而函数后续代码在Exception丢出之后不会执行

测试代码Throw

 public void someMethod() throws Exception {
    System.out.print("Execute Before\n");
    try {
        System.out.print("Execute Try\n");
        int i = 1/0;
    } catch (Exception e) {
        System.out.print("Execute Catch\n");
        throw e;
    } finally {
        System.out.print("Execute Finally\n");
    }
    System.out.print("Execute After\n");
 }

测试输出Throw

Execute Before
Execute Try
Execute Catch
Execute Finally

测试代码Not Throw

 public void someMethod() throws Exception {
    System.out.print("Execute Before\n");
    try {
        System.out.print("Execute Try\n");
        int i = 1/0;
    } catch (Exception e) {
        System.out.print("Execute Catch\n");
    } finally {
        System.out.print("Execute Finally\n");
    }
    System.out.print("Execute After\n");
 }

测试输出Not Throw

Execute Before
Execute Try
Execute Catch
Execute Finally
Execute After

赏

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