异常被捕获后，程序是否会继续执行 try-catch 块后的语句？

__答案：__会。

代码示例：

public class BolcksOutsideTryCatch {
    public static void foo() {
        try {
            throw new Exception("Sample checked exception");
        }catch (Exception e) {
            System.out.println("Exception caught: " + e);
            e.printStackTrace();
        }finally {
            System.out.println();
            System.out.println("Exiting try-catch block...");
        }
        System.out.println();
        System.out.println("Blocks outside the try-catch block will be executed!");
    }
    public static void main(String[] args) {
        foo();
        System.out.println();
        System.out.println("the caller will also go well!");
    }
}

运行结果：

Exception caught: java.lang.Exception: Sample checked exception
java.lang.Exception: Sample checked exception
	at BolcksOutsideTryCatch.foo(BolcksOutsideTryCatch.java:5)
	at BolcksOutsideTryCatch.main(BolcksOutsideTryCatch.java:17)

Exiting try-catch block...

Blocks outside the try-catch block will be executed!

the caller will also go well!

__结论：__如果在 try 执行时发生文件读取错误，可以在 catch 中修复这些错误，后续 try-catch 块外部的代码仍然会被执行。

try 与 finally 语句中同时出现返回语句，执行哪一句？

答案： finally 是 try-catch 块结束时必须执行的清理语句，在这种情况下，会执行 finally 中的返回语句。

代码示例：

public class Indecisive {
    public static void main(String[] args) {
        System.out.println(decision());
    }

    static boolean decision() {
        try {
            return true;
        } finally {
            return false;
        }
    }
}

这里 java 编译器会提示： finally block does not complete normally

运行结果：

false

__结论：__理论上 finally 不应该加入返回语句，因为它只是 try-catch 最后执行的一些清理工作¹。

参考资料

1. ‘finally block does not complete normally’ Eclipse warning