测试JDK8  JDK17编译包

当前环境JDK8

CASE 1：

/**
 * 
 * @author ZengWenFeng
 * @email 117791303@QQ.com
 * @mobile 13805029595
 * @date 2023-08-07
 */
package zwf;

import a.T;
import ce.pub.util.GUID;

/**
 * 测试高版本JDK编译JAR，低版本错误
 *
 * @author ZengWenFeng
 * @email 117791303@QQ.com
 * @mobile 13805029595
 * @date 2023-08-07
 */
public class Test
{

	/**
	 * 
	 * @author ZengWenFeng
	 * @email 117791303@QQ.COM
	 * @mobile 13805029595
	 * @date 2023.08.07
	 */
	public static void main(String[] args)
	{
		//ce.pub.util.GUID  公司架构包
		System.out.println(GUID.newGUID());//JavaFramework-JDK17.jar 引用旧工程打包
		
		
		T.test(1, 2);//TestClazzVersion-JDK17.jar 引用全新开发环境下17打包编译的
	}
	
	/**
	 * 
	 * 
	 * 
DAB24512CFF2368D72F3997F2257F7F8
Exception in thread "main" java.lang.UnsupportedClassVersionError: a/T has been compiled by a more recent version of the Java Runtime (class file version 61.0), this version of the Java Runtime only recognizes class file versions up to 52.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:473)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:355)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	at zwf.Test.main(Test.java:34)	
	 * 
	 * 
	 */
}

java.lang.UnsupportedClassVersionError_spencer_tseng的博客-CSDN博客

CASE 2：