catchブロックのないtryブロックから例外が投げ出された場合にfinallyブロックが実行されるか、そうであればいつ実行されるか

1798 ワード


異常を投げ出したり呼び出しコードブロックに伝播したりしてもfinallyブロックが実行されます
package com.vista;

/**
 * Created by VISTA on 2018/12/28.
 */
public class FinallyExecute {
    public static void main(String[] args) {
        try{
            FinallyExecute.divide(100, 0);}
        finally{
            System.out.println("finally in main");
        }
    }
    public static void divide(int n, int div){
        try{
            int ans = n/div; }
        finally{
            System.out.println("finally of divide");
        }
    }
}

出力は不定です.
finally of divide
finally in main
Exception in thread "main" java.lang.ArithmeticException: / by zero
	at com.vista.FinallyExecute.divide(FinallyExecute.java:16)
	at com.vista.FinallyExecute.main(FinallyExecute.java:9)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
finally of divide
Exception in thread "main" java.lang.ArithmeticException: / by zero
finally in main
	at com.vista.FinallyExecute.divide(FinallyExecute.java:16)
	at com.vista.FinallyExecute.main(FinallyExecute.java:9)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)