thrownewRuntimeException("Exception in try block"); }finally{ thrownewRuntimeException("Exception in finally block"); } } // main 方法捕获到的是 finally 块抛出的异常信息 Exception in finally block publicstaticvoidmain(String[] args){ try{ test(); }catch(RuntimeException e) { System.out....
return 1; } finally { return 2; } When the Try block executes its return, the finally block is entered with the reason of returning the value 1. However, inside the finally block the value 2 is returned, so the initial intention is forgotten. In fact, if any of the other code in t...
} public static void main(String a[]) { try { methodA(); } catch (Exception e) { System.out.println("Exception caught in main = "+e); } methodB(); methodC(); }} Output: We are inside methodA()The methodA()'s finally block executesException caught in main = java.lang.Run...
Putting cleanup code in a finally block is always a good practice, even when no exceptions are anticipated. Note: The finally block may not execute if the JVM exits while the try or catch code is being executed. The try block of the writeList method that you've been working with here...
try block finally block Exception in thread "main" java.lang.ArithmeticException: / by zero 但是回到这个问题,结果并不像大多人所认为的,答案是否定的,我们先来看下面这个例子: public static int test(){ try { System.out.println("try block"); ...
In finally block 1 1. 2. 3. 在上面的例子中,尽管在try块中有一个return语句,finally块仍然被执行。 中断与finally的交互作用 在某些情况下,开发者可能会希望通过某种方式中断正在执行的代码。然而,当你在finally块中使用return或throw,可能会导致意想不到的行为。以下是一个示例,展示了在中断过程中finally块的...
System.out.println("finally block"); } } public static void main(String[] args) { // TODO Auto-generated method stub FinalyWithReturn f=new FinalyWithReturn(); f.test(); } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
System.out.println("finally block"); } } } 清单1 的执行结果如下: 1 2 3 4 the previous statement of try block Exception in thread "main" java.lang.ArithmeticException: / by zero at com.bj.charlie.Test.test(Test.java:15) at com.bj.charlie.Test.main(Test.java:6) 另外,如果...
The above flow-diagram sums up all you need to know regarding try-catch-finally construct in Java. Summary: When an exception occurs, JVM creates and pass the exception object to the first matching catch block. Once the code within the first matching catch block is executed, if found, the...
try {// some code that may throw an exception} catch (Exception e) {// handle the exception} finally {// code in this block will always be executed// e.g., close resources, cleanup, etc.} finalize: finalize是一个方法,属于Object类中的一个方法。它在对象被垃圾回收之前被调用,允许对象在...