java jar包示例

包類的isCompatibleWith()方法 (Package Class isCompatibleWith() method)

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

  isCompatibleWith()方法在java.lang包中可用。

• isCompatibleWith() method is used to check the specification version of this package with the specification version of the desired or given package.

  isCompatibleWith()方法用于檢查此程序包的規范版本與所需或給定程序包的規范版本。

• isCompatibleWith() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  isCompatibleWith()方法是一種非靜態方法，只能通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

• isCompatibleWith() method may throw an exception at the time of comprising the package specification version.

  在包含程序包規范版本時， isCompatibleWith()方法可能會引發異常。

  NumberFormatException: In this exception, when the desired package specification version or current package specification version is not in the correct format.

  NumberFormatException ：在此異常中，當所需的軟件包說明版本或當前軟件包說明版本的格式不正確時。

Syntax:

句法：

public boolean isCompatibleWith(String des_pck_ver);

Parameter(s):

參數：

• String des_pck_ver – represents the specification version of the desired package.

  字符串des_pck_ver –表示所需軟件包的規范版本。

Return value:

返回值：

The return type of this method is boolean, it returns the following values based on the given cases,

此方法的返回類型為boolean ，它根據給定的情況返回以下值：

• It returns true when this package specification version value is equal to or greater than the specification version of the desired package.

  當此程序包規范版本值等于或大于所需程序包的規范版本時，它返回true 。

• It returns false when this package specification version value is less than the specification version of the desired package.

  當此軟件包規范版本值小于所需軟件包的規范版本時，它返回false 。

Example:

例：

// Java program to demonstrate the example // of boolean isCompatibleWith(String des_pck_ver) // method of Package public class IsCompatibleWith {public static void main(String[] args) {// Get Package by using getPackage() methodPackage pkg = Package.getPackage("java.util");// By using isCompatibleWith(pkg_ver) method is to check // version compatibility of this package with the given versionboolean pck_ver = pkg.isCompatibleWith("1.4.7");// Display compatibility of the packageSystem.out.println("pkg.isCompatibleWith(1.4.7) = " + pck_ver);} }

Output

輸出量

pkg.isCompatibleWith(1.4.7) = false

翻譯自: https://www.includehelp.com/java/package-iscompatiblewith-method-with-example.aspx

java jar包示例

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