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<!-- Created: Fri Mar 20 15:01:43 UTC 2026 -->
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  <xs:element name="OrganizationandPlanofBusinessOperationsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="jacs_OrganizationandPlanofBusinessOperationsDetailsTable"/>
  <xs:element name="UnitsIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_UnitsIssuedDuringPeriodSharesNewIssues"/>
  <xs:element name="CashUnderwritingFee" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="jacs_CashUnderwritingFee"/>
  <xs:element name="FairMarketValueAsPercentageOfNetAssetsHeldInTheTrustAccount" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_FairMarketValueAsPercentageOfNetAssetsHeldInTheTrustAccount"/>
  <xs:element name="InvestmentMaximumMaturityTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_InvestmentMaximumMaturityTerm"/>
  <xs:element name="PercentageOfObligationToRedeemPublicShares" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_PercentageOfObligationToRedeemPublicShares"/>
  <xs:element name="RedeemPublicSharesBusinessCombinationPercentage" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_RedeemPublicSharesBusinessCombinationPercentage"/>
  <xs:element name="ThresholdNumberOfBusinessDaystoRedeemPublicSharesFromCombinationPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_ThresholdNumberOfBusinessDaystoRedeemPublicSharesFromCombinationPeriod"/>
  <xs:element name="PercentageOfOutstandingPublicShares" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_PercentageOfOutstandingPublicShares"/>
  <xs:element name="InterestToPayDissolutionExpenses" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="jacs_InterestToPayDissolutionExpenses"/>
  <xs:element name="WorkingCapitalSurplus" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="jacs_WorkingCapitalSurplus"/>
  <xs:element name="InitialPublicOfferingDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="jacs_InitialPublicOfferingDetailsTable"/>
  <xs:element name="UnitPricePerShare" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_UnitPricePerShare"/>
  <xs:element name="NumberOfSharesIssuedPerUnit" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_NumberOfSharesIssuedPerUnit"/>
  <xs:element name="NumberOfShares" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_NumberOfShares"/>
  <xs:element name="PrivatePlacementDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="jacs_PrivatePlacementDetailsTable"/>
  <xs:element name="RelatedPartyTransactionsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="jacs_RelatedPartyTransactionsDetailsTable"/>
  <xs:element name="NumberofTradingDaysOfBusinessCombination" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_NumberofTradingDaysOfBusinessCombination"/>
  <xs:element name="AfterInitialBusinessCombinationOfTradingDays" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_AfterInitialBusinessCombinationOfTradingDays"/>
  <xs:element name="WorkingCapitalLoans" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="jacs_WorkingCapitalLoans"/>
  <xs:element name="InitialBusinessCombinationOfConvertibleUnits" type="dtr:perShareItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_InitialBusinessCombinationOfConvertibleUnits"/>
  <xs:element name="WorkingCapitalLoan" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item" id="jacs_WorkingCapitalLoan"/>
  <xs:element name="CommitmentsDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="jacs_CommitmentsDetailsTable"/>
  <xs:element name="CashUnderwritingDiscount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="jacs_CashUnderwritingDiscount"/>
  <xs:element name="PercentageOfGrossProceeds" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_PercentageOfGrossProceeds"/>
  <xs:element name="ShareholdersDeficitDetailsTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem" id="jacs_ShareholdersDeficitDetailsTable"/>
  <xs:element name="SponsorAmount" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item" id="jacs_SponsorAmount"/>
  <xs:element name="PercentageOfOrdinarySharesIssuedAndOutstanding" type="dtr:percentItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_PercentageOfOrdinarySharesIssuedAndOutstanding"/>
  <xs:element name="BusinessCombinationMarketingFeeMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_BusinessCombinationMarketingFeeMember"/>
  <xs:element name="ClassAOrdinaryShareParValue00001PerShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_ClassAOrdinaryShareParValue00001PerShareMember"/>
  <xs:element name="FounderShares1Member" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_FounderShares1Member"/>
  <xs:element name="InitialBusinessCombinationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_InitialBusinessCombinationMember"/>
  <xs:element name="NonRedeemableClassAAndClassBOrdinarySharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_NonRedeemableClassAAndClassBOrdinarySharesMember"/>
  <xs:element name="NonredeemableClassAAndClassBMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_NonredeemableClassAAndClassBMember"/>
  <xs:element name="PostBusinessCombinationMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_PostBusinessCombinationMember"/>
  <xs:element name="PromissoryNoteRelatedPartiesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_PromissoryNoteRelatedPartiesMember"/>
  <xs:element name="PublicSharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_PublicSharesMember"/>
  <xs:element name="RedeemableClassAMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_RedeemableClassAMember"/>
  <xs:element name="RedeemableClassAOrdinarySharesMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_RedeemableClassAOrdinarySharesMember"/>
  <xs:element name="RightMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_RightMember"/>
  <xs:element name="RightsEachRightToAcquireOnetenth110OfOneClassAOrdinaryShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_RightsEachRightToAcquireOnetenth110OfOneClassAOrdinaryShareMember"/>
  <xs:element name="RothCapitalPartnersLLCMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_RothCapitalPartnersLLCMember"/>
  <xs:element name="RothMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_RothMember"/>
  <xs:element name="SponsorMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_SponsorMember"/>
  <xs:element name="SponsorsMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_SponsorsMember"/>
  <xs:element name="UnderwritingAgreementMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_UnderwritingAgreementMember"/>
  <xs:element name="UnitsEachConsistingOfOneClassAOrdinaryShareAndOneRightToAcquireOnetenth110OfOneClassAOrdinaryShareMember" type="dtr:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_UnitsEachConsistingOfOneClassAOrdinaryShareAndOneRightToAcquireOnetenth110OfOneClassAOrdinaryShareMember"/>
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  <xs:element name="DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item" id="jacs_DocumentAndEntityInformationAbstract"/>
</xs:schema>
