包

2004-03-14 05:48:46 61 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

jar包与war包的部署前言 Spring Boot支持传统部署和更现代的部署形式。jar跟war都支持，这里参考springboot参考手册学习记录传统部署：https://docs.spring.io/spring-boot/docs/2.1.6.RELEASE/reference/html/howto-traditional-deployment.html 更现代的部署：https://docs.spring.io/spring-boot/docs/2.1.0.RELEASE/reference/htmlsingle/#g 阅读详情

package PackageDemo;

import SubPackage.*;

public class ClassA
{
public ClassA(){}
public void doSomething()
{
System.out.println("I am in PackageDemo,ClassA~!");
}
public static void main(String args[])
{
ClassA classA=new ClassA();
classA.doSomething();
ClassB classB=new ClassB();
classB.doSomething();
}
}

package SubPackage;

public class ClassB
{
public ClassB(){}
public void doSomething()
{
System.out.println("I am in PackageDemo->SubPackage,classB~!");
}
}

编译了ClassA没问题，但是运行：

D:\>java PackageDemo.ClassA
I am in PackageDemo,ClassA~!
Exception in thread "main" java.lang.NoClassDefFoundError: SubPackage/ClassB
at PackageDemo.ClassA.main(ClassA.java:16)

怎么回事啊？

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