<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Fri May 29 19:36:59 UTC 2026 -->
<xs:schema elementFormDefault="qualified" xmlns:srt-types="http://fasb.org/srt-types/2026" targetNamespace="http://www.jab.com/20260529" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:jab="http://www.jab.com/20260529" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:us-types="http://fasb.org/us-types/2026" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:dtr="http://www.xbrl.org/dtr/type/2024-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:type="simple" xlink:href="jab-20260529_lab.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="jab-20260529_pre.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef"/>
      <link:linkbaseRef xlink:type="simple" xlink:href="jab-20260529_def.xml" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef"/>
      <link:roleType roleURI="http://www.jab.com/role/DocumentAndEntityInformation" id="DocumentAndEntityInformation">
        <link:definition>000 - Document - Document And Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>
  <xs:import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"/>
  <xs:import namespace="http://fasb.org/us-types/2026" schemaLocation="https://xbrl.fasb.org/us-gaap/2026/elts/us-types-2026.xsd"/>
  <xs:import namespace="http://www.xbrl.org/dtr/type/2024-01-31" schemaLocation="https://www.xbrl.org/dtr/type/2024-01-31/types.xsd"/>
  <xs:import namespace="http://xbrl.org/2005/xbrldt" schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd"/>
  <xs:import namespace="http://fasb.org/srt-types/2026" schemaLocation="https://xbrl.fasb.org/srt/2026/elts/srt-types-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/sic/2026" schemaLocation="https://xbrl.sec.gov/sic/2026/sic-2026.xsd"/>
  <xs:import namespace="http://xbrl.sec.gov/spac/2026" schemaLocation="https://xbrl.sec.gov/spac/2026/spac-2026.xsd"/>
  <xs:element name="SponsorMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_SponsorMember"/>
  <xs:element name="PrivateWarrantsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_PrivateWarrantsMember"/>
  <xs:element name="JABAcquisitionSponsorILLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_JABAcquisitionSponsorILLCMember"/>
  <xs:element name="JoshuaJagidCEOMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_JoshuaJagidCEOMember"/>
  <xs:element name="JackBressmanCOOAndInterimCFOMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_JackBressmanCOOAndInterimCFOMember"/>
  <xs:element name="LuisaIngargiolaDirectorNomineeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_LuisaIngargiolaDirectorNomineeMember"/>
  <xs:element name="DavidPfefferDirectorNomineeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_DavidPfefferDirectorNomineeMember"/>
  <xs:element name="KyleMillerDirectorNomineeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_KyleMillerDirectorNomineeMember"/>
  <xs:element name="DBoralCapitalLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_DBoralCapitalLLCMember"/>
  <xs:element name="PrivateUnitsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_PrivateUnitsMember"/>
  <xs:element name="WarrantsUnitsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_WarrantsUnitsMember"/>
  <xs:element name="RepresentativeSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_RepresentativeSharesMember"/>
  <xs:element name="InitialShareholdersMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_InitialShareholdersMember"/>
  <xs:element name="ManagementTeamMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_ManagementTeamMember"/>
  <xs:element name="InitialBusinessCombinationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_InitialBusinessCombinationMember"/>
  <xs:element name="BusinessCombinationAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_BusinessCombinationAgreementMember"/>
  <xs:element name="ClassBOrdinarySharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_ClassBOrdinarySharesMember"/>
  <xs:element name="ClassAOrdinarySharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_ClassAOrdinarySharesMember"/>
  <xs:element name="PrivatePlacementUnitsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_PrivatePlacementUnitsMember"/>
  <xs:element name="OfficeSpaceAndAdministrativeSupportServicesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_OfficeSpaceAndAdministrativeSupportServicesMember"/>
  <xs:element name="RepaymentOfLoansMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_RepaymentOfLoansMember"/>
  <xs:element name="WorkingCapitalLoansMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_WorkingCapitalLoansMember"/>
  <xs:element name="FounderShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_FounderShareMember"/>
  <xs:element name="PrivatePlacementSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_PrivatePlacementSharesMember"/>
<!-- [WMV7][KPvdfxTwS9NopcBeVxi8i4rCcfWgndPUTJsjTlstBt+fZPBKSm+DZzYmAddjaBdh3X/LcJKiVB0jY9+7PtJ93r4DEDwNOSD749RwI299FEaGF8oMWWZHohvOZH8kht85BWTlPPp8nAd5eICry8D9Kfsjvo4BAG3h7g80osbeidTmZLavg1mu+0sduqLeV7XHbJ7xe/X6BdlhYR1eH0s7F+et2j430BnNlEwI8/qpOdxxIGAJcsrf2RbZE5/2RoaZmRI2uhlNEpgXsPio2xM/Q/VbHrSAqRk08OodAtR7oIODXs0WsivdorPpYVaCmjLHufcpQojehE4yA2L1YYpTTh7oWUvwmOnN++ejGdjyRA==] CSR-->
  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jab_DocumentAndEntityInformationAbstract"/>
</xs:schema>
