java package name_Java Package getName()用法及代码示例
java.lang.Package类的getName()方法用于获取此程序包的名称。该方法以String形式返回包的名称。
用法:
public String getName()
参数：此方法不接受任何参数。
返回值：此方法以字符串形式返回包的名称。
下面的程序演示了getName()方法。
示例1:
// Java program to demonstrate getName() method
public class Test {
public static void main(String[] args)
{
// returns the Package object
// for this package
Package myPackage
= Package.getPackage("java.lang");
System.out.println(
"Package represented by myPackage: "
+ myPackage.toString());
// Get the name of myPackage
// using getName() method
System.out.println("Name of myPackage: "
+ myPackage.getName());
}
}
输出：
Package represented by myPackage: package java.lang, Java Platform API Specification, version 1.8
Name of myPackage: java.lang
示例2:
// Java program to demonstrate getName() method
public class Test {
public static void main(String[] args)
{
// returns the Package object
// for this package
Package myPackage
= Package.getPackage("java.io");
System.out.println(
"Package represented by myPackage: "
+ myPackage.toString());
// Get the name of myPackage
// using getName() method
System.out.println("Name of myPackage: "
+ myPackage.getName());
}
}
输出：
Package represented by myPackage: package java.io, Java Platform API Specification, version 1.8
Name of myPackage: java.io