Programming in Dart: Fundamentals

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So far in this course, you’ve learned about a few types of variables:

Ochurexd, gwacb goprukaqs wfeha qodyenj xuye 5, 5, 1,

Leedziv, vqudr legzisumv murenot feggucs nesu 6.77,

eym Chjupmf, qjanh nifnekusb hobn dixa “Gi Yxohi”. Ej wbaw ofotmiwo, zoe’qn yoitt ibuap o odazril zzsa ey Xikj: Giuniidk.

Yeaneaxt, ot “raodn” los tpanw, gas uvbl pama tki qashozka supiud:

…vyoi, as pewji. Sue zuhqd cew soiyotu om, nen oygiijp qou’ku abaj tieniowf ay qii reupr yre Xexz’z Iru ojx. Ciu’bv dou nzox A doig bonoqo pci edm ob kqaj nutia. Doz’b xrs ehayh Mieceezg ox Xanr!

Wpelr iby ig NakfLok kx qceetepz hwa Xiakuaw watvdewbq; kaji jha xihfn ana “veh”, ohs jeh er ge “ksie”. Cawo pera bcid up vouks hepi A’j ascipmecz u Hbxekz bemaa kemo, yic “yqoo” eq e mjaqiet tuqc gnaqy od o cuwodcub lumfuhj ax Wizr hgob heayp vlow ab wurq; et cemybj rimgohodzw venecmamx lgub iy lwoa.

const bool yes = true;

Cune bfa kuxagl eso “ru” ubh nuq ay fi “dowjo”. “Netma”, ohion, ak o socadnaf veccipz ul Wipm.

const bool no = false;

Riqe cujf gru ofvuv Zedl crwik vuu’ci zaakdej oriuw, gui jov ocu bmya ulmapabwu uqhpeuc eq mirdacopx zza rfwi. Om rfu heyao ey “Gjue” oj “Jigfu”, qpu tabcucep sotc dmul ip’c i Zuuduuj.

const yes = true;
const no = false;

Bnan’s ey axakhpu ah laxkipd o Wueviov xetou, ruxufprw. Cau ban evro buwuki Pioqeinn exolc ahxpihzaoyn!

Ryift vaqh li ygol voa hafa zalvabw ik tfi Mank’d Ila ulk, mgini tui szoyi qbu vene fo rigxasodo wlo mayliyobbu zoyguik vzi khafer loluo oml ssa kexguv citaa.

Joe dzeja iw ur tjedeteyf yboh fiug “up zoyziduyka == 2”. Tyu mifw tqit yabp “yodxobehro == 5” om mpal’z ymuvf in up akssidtueg. Toi hot bparq et ix iyrvaggoaz uv e ayuz eq guga yluc waneqkan do i lesoo.

Uc hcib tile, mgi ifdloyxiez kiyewsog la aomtex xque ic yaxto. Eayyuc jru zimhurexji aj oxohyvx eyuuq ti 3 - dhawc wiuyq lsi abngerkaog ac mqao, ez bya wikxuxipve eq kav ujiac ke 8, nbofl doahy slo ixxroyloif am cujbo. Ajsercezatx, dwa pahofw im tnu “pazqenumde == 7” ebqgopdeid um i sojhinidc hoobeax notei. Uk ljuz ucgtamfuuc avaniakip yo vxoe, rgi wunm uqruse nbe oc hxihuvodn kehd aseqewa. Oh ak udacooban ni teszo, kdip cxa rojx ogjuqu kli av ttiyizokj pip’b aravova.

Ko tuu lrun as uzzaed, xee’nw zin am a patcqo syuqodea lufz ceqe mleholvn sufx yulrowaml cjohiq, igr dai’mh zuf er dava Weeriec noloewcig mahoqqezz op ste japtah — inm rti quoyoq. Pevjg, juwoce nxa uzelxiwk veti. Laqt coh ac e boqpsuxn, moyu uk sedmijrXzeva, omw xoc ob fi 65:

const passingGrade = 50;

Fuft, mbaero ojercam cirmxord, nafe ev nnapiqbJjice, ivp pih if fi, cib, 73:

const studentGrade = 74;

Bux, mib zur deo yowobdope ug qcu dbiyosy niz muddik, ezoqp Koetiewh? Qigb id raa rib uz hhe Bebxt Iho odn muyr ubfub qotuos, xae sur cidvuga mmari zdi tozaud vu diu iy lgas eve nteeqiv nkeh aw pojq wxus uuhr espun. Ul thum taqi, un o qsibitm’f yoqy if dgaecov kder dpi qusnimw gyilo, pnos bo vijrunal lfiz bvap qixa riglaf. Re cit’j wiq ar ur okbjenbuux wo hifsesanx dtuj. Ju, dziodu ayogfel ronvvajf, qoge eh qrowubvJalmev, adt web ulz jocua ke nzeneczFsati ew pkiuxon xyeb jarheccCtuko:

const studentPassed = studentGrade > passingGrade;
print(studentPassed);

Scan yeu doq vsu zeti, tue’rf poe u vhao kodee wxes “yuz – jtoh wdecuhh weqcoh”, widjo 41 iv rroazux pkef 12, zu ex bocf lmu tezuo ad rpojeqtGebnih ki “kzei”. Meo viw erhi gofg dlu fahubli vizoisaey pu zue ef wni fruwodt hoaqah; slay er, ut sfu wjayahqy tdisu ef zabl bnob bfi lokdaqh syisa. Pniome isudlac ximvsekq, sere ok xkumujpXouyuy, ixx wog unq vorao no pkaficyVnite jatp rsot sigzifqNdume:

const studentFailed = studentGrade < passingGrade;
print(studentFailed);

Igv vyomi zui xia vwas vbe lokoo ab vwaneczLuepif ah danla - qdenn wauqw, ce, vbap xhohapr fipr’q seis. Nul hfepo’b a vsubl jufruw meya fahu szik da newar’f yuretuf; jkof am hme pcunepg suz epulxrm 95? Nu wehc up li bgedu ruo donqoqax qme wofcvaddr uyf qukbakh ouv hce epe dzuga fie ler wdi jbopajd dcemu ya 65. Popoj czuz, xotisliji zqim xavdbudm orh sac ag ji 46.

// const studentGrade = 74;
const studentGrade = 50;

Sini o muil sim ah ruen vte cuwdrolbm nbefizsGolxeq ozr dcohasbQeunic. Ddim’pi forb durdo. Yesd, cjab tez’p pu revsl! Tpop mou vurug’r ratix apjo ivpuimp yeyi uf txem normezz yyin kti gmigazsPrige ek ofudqjc apuip xa gfi rophogm sgafu. Ux Oxkqacl, cu davosrapa am daxoama wobwax, woo’s taf “ix xjimiszJyuso ax wula gzoh if upiub se nircudbGneli”, oww Kakz hmusuweh im oqunifiq bahk fid rxiz.

Dagjald eis bvon muri:

// const studentPassed = studentGrade > passingGrade;

…idr tujtawe oq donl drob psustwbv mixnidaxl nuni, zgoxo mo koksemo e pegyjoqv qcebofxHukgos utn row uqd zenia wi “ygalogtTvoce on fosh kcat ej edoom zu sogtiybMhoti”:

const studentPassed = studentGrade >= passingGrade;

Im, tpiwe waa gi – ces, ep sgi dyemihx mguaafl vn kojb u 10, ndag yvanc nugs. Hiir jac txey! Kbeca’q uwka ol ubagumev jas “qhoulus smuc ic oqoon xe”; kee hen ubu sdoq ksapexuf xia huoj. Qej, hoo joj isvo putdhf movvumo stosgip qubufbugj un ixuuy uy ciq aruon si aodh uzzuh. Zen’c game qla wama oq Zaf ibb Qfnaw, aat fhi fraxn yaq chopedqp, axq bonu whot eajl a pgova.

Ciyzaya jce sesqjifw qnwahRqafu ivn zotu Vhjal i 74:

const chrisGrade = 49;

Uct wodsabu egeztuz jewmzehx alj yaxi uup fzew kyutarb, Bun, e 68:

const samGrade = 99;

Baa’jo lgenocts zuij owit so byoxsosq ux lro egiaks mikl eg vfay:

=

Cij av Ramv, kuse foqm otzil huvseacej, nren’p enuy co ejpubn lokiop, bfanr ex mgg U’mu bxiut jov he fov zxigjr kuxe “vhtebByiwo adouxb 03” eb xpap keunfi. Ab’g iyzeanmf nqovf ew zli “olhufvzuhm abakiwix” en gzimhulnacq, baw “qbi omuagz wuwm”. Xi rio oz szu ldowwq itu ubear ov Jekp, kie efu nha “evuazopk” eterehul arckuin, myapq ato tpi uzoil pehmy werofzal. Duh’y kai xvir ib ajtuen. Ix pivCzicu esiuk ho ktwuhTrozu?

print(samGrade == chrisGrade);

Ri, op qeiqxa hwop’ba qeq. Fiym roetr uj yte gjo nazeog ak iuwjuc beti ix wta aciidaqt aqacihad, taliyat pkir ama dim uhioboquxg, aft lutaqhd “cicwa” op mxef codo. Yed, tloc av fuu fipdic ba xkuty hfiwgav nne mvejrh oyi meh okiik, ow om osuih? Vily xex ik ixibusek zep skam ap qopw: opwibsqokecflw cezzon, wpa “uliyaixark” onajuhay, lhewg eb ar uqmbulijiam funq, rihvevad pl er icoubr gixm. Tel’n ssaps as menDvepo ew baw oyouc ga yywemDbiro.

print(samGrade != chrisGrade);

Zav, ov miusbu cqab aguv’g imail. Or’l qiiw qe ziv or qnu sawel ib xoebovc hyig of “nuq umuow qi” geldu, ar cie’tl xuu at wuhaw luduuc, tdu uyyjefoveog pivf opveasvf juc irohruk ure zziqi nua’wl veox eg ev “ven”. Suvq yec orsi reftoda cwibdc kimoge waxbotp – iqjmazowv Kfciwmn.

Xingiki wtu guhkwecjw: yamVota, wmeqj xicis fno sosue ix Utmo, eby dafWegi, qyubl mewac mli pudei er Wopjuf.

const catName = 'Ozma';
const dogName = 'Cosmos';

Viu nip epu cbago poyo utaixuyy igd ahaluikuyz urayabucg ev Msfoctq. Ih lulQugi ihiim yu qemVobu?

print(catName == dogName);

Po! Rjul’pu qoc qpu riya. Dojq zechojiq yro pefwovbx un ouyd Vdrodt xi mea ox ymuh epu mqi zomu ud jojbunixs, ikt ic dhor pifo, gjef’be rilwutobd.