!7 set flag LeanMode. !include once #1019934 // BCEL [Include] import org.apache.bcel.generic.Type; p { ClassGen cg = new("BadClassFile", "java.lang.Object", null, Const.ACC_PUBLIC, new S[0]); cg.addEmptyConstructor(Const.ACC_PUBLIC); ConstantPoolGen cp = cg.getConstantPool(); new InstructionList il; MethodGen mg = new((short) (Const.ACC_PUBLIC | Const.ACC_STATIC), Type.VOID, new Type[] { new ArrayType(new ObjectType("java.lang.String"), 1) }, null, "main", cg.getClassName(), il, cp); il.append(new LDC(cp.addClass("java.lang.Object"))); il.append(new ASTORE(1)); il.append(new RETURN); mg.stripAttributes(true); mg.setMaxStack(); mg.setMaxLocals(); cg.addMethod(mg.getMethod()); JavaClass baked = cg.getJavaClass(); var bytes = baked.getBytes(); saveBinaryFile_simple(baked.getClassName() + ".class", bytes); }