Maven: <dependency> <groupId>net.bytebuddy</groupId> <artifactId>byte-buddy</artifactId> <version>1.10.19</version> </dependency> Gradle: compile 'net.bytebuddy:byte-buddy:1.10.19' import net.bytebuddy.ByteBuddy; import net.bytebuddy.implementation.FixedValue; import net.bytebuddy.matcher.ElementMatchers; public class ByteBuddyExample { public static void main(String[] args) throws InstantiationException, IllegalAccessException { Class<?> dynamicType = new ByteBuddy() .subclass(Object.class) .method(ElementMatchers.named("toString")) .intercept(FixedValue.value("Hello Byte Buddy!")) .make() .load(ByteBuddyExample.class.getClassLoader()) .getLoaded(); Object instance = dynamicType.newInstance(); System.out.println(instance.toString()); } }


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