使用Java语言从零开始创建区块链

使用复制<dependencies>          <dependency>              <groupId>javax</groupId>              <artifactId>javaee-api</artifactId>              <version>7.0</version>              <scope>provided</scope>          </dependency>          <dependency>              <groupId>org.json</groupId>              <artifactId>json</artifactId>              <version>20160810</version>          </dependency>      </dependencies>  1.2.3.4.5.6.7.8.9.10.11.12.13.