系統類exit()方法 (System class exit() method)

• exit() method is available in java.lang package.

  exit()方法在java.lang包中可用。

• exit() method is used to exit the currently running JVM (Java Virtual Machine).

  exit()方法用于退出當前正在運行的JVM(Java虛擬機)。

• exit() method is a static method, it is accessible with the class name too.

  exit()方法是靜態方法，也可以使用類名進行訪問。

• exit() method may be thrown various type of exception and the description of exception are given below,

  exit()方法可能會引發各種類型的異常，下面給出了異常的描述，

  SecurityException: If a particular method checkExit() does not allow exit with the given exit_status when security manager exists in the method.

  SecurityException ：如果特定方法checkExit()不允許在方法中存在安全管理器時使用給定的exit_status退出。

Syntax:

句法：

public static void exit (int exit_status);

Parameter(s):

參數：

• exit_status – represents the stages or level of termination of JVM, and here, the non-zero value represents the abnormal termination of JVM.

  exit_status –表示JVM終止的階段或級別，此處，非零值表示JVM的異常終止。

Return value:

返回值：

The return type of this method is void, it does not return any value.

此方法的返回類型為void ，它不返回任何值。

Example:

例：

// Java program to demonstrate the example of // exit() method of System Classpublic class ExitMethod {public static void main(String[] args) {// declaring an arrayint array[] = {10,20,30,40,50};for (int i = 0; i < array.length; ++i) {if (array[i] < 60) {System.out.println("Element at index" + " " + i + " is " + array[i]);} else {System.out.println("We are exiting JVM normally");System.exit(0);}}} }

Output

輸出量

E:\Programs>javac ExitMethod.java E:\Programs>java ExitMethod Element at index 0 is 10 Element at index 1 is 20 Element at index 2 is 30 Element at index 3 is 40 Element at index 4 is 50

翻譯自: https://www.includehelp.com/java/system-class-exit-method-with-example.aspx

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