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package jvm;import java.util.Base64;public class HelloClassLoader extends ClassLoader {public static void main(String[] args) throws Exception {new HelloClassLoader().findClass("jvm.Hello").newInstance();}@Overrideprotected Class<?> findClass(String name) throws ClassNotFoundException {String helloBase64 = "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";byte[] bytes = decode(helloBase64);return defineClass(name,bytes,0,bytes.length);}public byte[] decode(String base64) {return Base64.getDecoder().decode(base64);}}
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