Author Topic: Tjava  (Read 48012 times)

Hezechiel

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Re: Tjava
« Reply #50 on: 06.04.2009, 18:42:24 »
Vie niekto ako spravit ulohu z cvicenia 4?
Úloha: Pridajte metódu Tile getTile(int row, int column) do triedy Field, ktorá vráti dlaždicu podľa zadaného riadku a stĺpca. Riadky a stĺpce sú číslované od 0.
zeby tak? :)
Code: [Select]
Tile getTile(int row, int column) {
return Tiles[row][column];
}


vdaka ale tak mi to stale hadze chybu "variable Tiles" "cannot find symbol"
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Mao

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Re: Tjava
« Reply #51 on: 06.04.2009, 18:55:53 »
tak potom nemas vytvorenu tu premennu Tiles

piton

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Re: Tjava
« Reply #52 on: 06.04.2009, 21:16:51 »
sry, ma tam byt male tiles ;-) Ale nato by si mohol prist aj sam...
"Iba život, ktorý žijeme pre ostatných, stojí za to." - Albert Einstein

MorFiuM

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Re: Tjava
« Reply #53 on: 06.04.2009, 22:27:43 »
Hodil som na pistone knihu od B. Eckela - Thinking in Java posledne vydanie, vraj jedna z najlepsich knih o Jave tak odporucam stiahnut :) Ma vyse 1000 stran  ;D vela stasia

domino3d

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Re: Tjava
« Reply #54 on: 07.04.2009, 02:40:48 »
co ste mali na pisomke ty co ste pisali?
som pocul ze hovadiny  :ohmigod: :whacko:
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markus

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Re: Tjava
« Reply #55 on: 07.04.2009, 02:45:48 »
akoze som pocul ze ta pisomka bola neskutocne o hovne... a k tomu vraj ani opravna nieje :D

Jerryh

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Re: Tjava
« Reply #56 on: 07.04.2009, 02:58:44 »
akoze som pocul ze ta pisomka bola neskutocne o hovne... a k tomu vraj ani opravna nieje :D
bolo tam dost chytakov, by som povedal ze skoro polovica, priemer ziskanych bodov je tak 6-7

Hezechiel

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Re: Tjava
« Reply #57 on: 07.04.2009, 23:38:42 »
Mohol by tu niekto hodit par otazok ake boli?
Never argue with idiots. They'll drag you down to their level, then beat you with experience. (GILAMONSTER)
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mircoo

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Re: Tjava
« Reply #58 on: 08.04.2009, 00:20:59 »
cca take boli :), vzdy 4 odpovede a vyber 1 alebo viac odpovedi :ohmygod:
O1:
Code: [Select]
ake stavy moze nadobudnut minesweeper.core.Tile zo studie min? OPEN,MARKED,CLOSED
O2:
Code: [Select]
ktore metody obsahuje rozhranie UserInterface  zo studie min?  newGameStarted(), update()
O3:
Code: [Select]
aky je jazyk java? nezavisly na platforme,pomalsi ako C ...
O4:
Code: [Select]
int i=0;
while(i){.....}
je tam chyba alebo zbehne ?     chyba,while podporuje len podmienky typu bool
O5:
Code: [Select]
public static void main(String[] args) {
        StringBuffer x=new StringBuffer("A");
        StringBuffer y= new StringBuffer("B");
        operate(x,y);
        System.out.println(x+"+"+y);
    }

public static void operate(StringBuffer a, StringBuffer b){
    a.append(b);
    b=a;
}
co vypise tento kod? na pocudovanie AB+B
O6:
Code: [Select]
co moze byt v prikaze switch ,co namiesto vyraz,  switch(vyraz)? moze byt char,byte,short,int 

dalej vynimky treba vediet, ze kedy vyskakuju a tak  :emot-shakehead:

tie boli take co sa dali, a inak zdrojaky a tak,  viac nepamatam   br
 
« Last Edit: 08.04.2009, 00:29:01 by mircoo »
Praise Him with the strings....

domino3d

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Re: Tjava
« Reply #59 on: 08.04.2009, 04:21:49 »
Code: [Select]
co vypise tento kod? na pocudovanie AB+B
ehm AB+B alebo A+B
neni preklep nahodou, ale asik nie, sory
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markus

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Re: Tjava
« Reply #60 on: 08.04.2009, 06:25:52 »
no neviem podla mna tiez A+B lebo
a.append(b);
nepriradujes do a cize a ti ostane tak ako je....

keby bolo AB tak by to malo byt
a=a.append(b);

teda ak sa nemylim... aspon na dotnete to tak je lebo presne v takom podobnom som mal chybu dnes:D

tuxik

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Re: Tjava
« Reply #61 on: 08.04.2009, 14:04:21 »
no neviem podla mna tiez A+B lebo
a.append(b);
nepriradujes do a cize a ti ostane tak ako je....

keby bolo AB tak by to malo byt
a=a.append(b);

teda ak sa nemylim... aspon na dotnete to tak je lebo presne v takom podobnom som mal chybu dnes:D

Je to AB+B pretoze pracujes so stringbuilderom a tam sa ti pri a.append(b); nevytvara novy objekt

markus

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Re: Tjava
« Reply #62 on: 08.04.2009, 15:30:29 »
aha jasne ... ok dik za vysvetlenie :)

lukasqo

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Re: Tjava
« Reply #63 on: 08.04.2009, 22:28:13 »
Tí, čo maju v piatok s Vaclavikom cviko, tak klikaju test na buduci tyzden? Dik za info.

domino3d

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Re: Tjava
« Reply #64 on: 10.04.2009, 20:26:11 »
mozem sa spytat ci toto je normalne? tak sa mi zda akoby ani nevytvotril pole lebo tam vracia null, a v prvom teste to hned krachuje, len som dal vygenerovat test a kod mam taky isty ako kolega

Code: [Select]
init:
deps-jar:
compile:
compile-test:
Testsuite: minesweeper.core.FieldTest
getTile
openTile
markTile
openAdjacentTiles
getRemainingMineCount
getNumberOf
getRowCount
getColumnCount
getMineCount
getState
Tests run: 11, Failures: 0, Errors: 10, Time elapsed: 0,203 sec

------------- Standard Output ---------------
getTile
openTile
markTile
openAdjacentTiles
getRemainingMineCount
getNumberOf
getRowCount
getColumnCount
getMineCount
getState
------------- ---------------- ---------------
Testcase: testGetTile(minesweeper.core.FieldTest):        Caused an ERROR
null
java.lang.NullPointerException
        at minesweeper.core.FieldTest.testGetTile(FieldTest.java:93)


Testcase: testOpenTile(minesweeper.core.FieldTest):        Caused an ERROR
null
java.lang.NullPointerException
        at minesweeper.core.FieldTest.testOpenTile(FieldTest.java:104)


Testcase: testMarkTile(minesweeper.core.FieldTest):        Caused an ERROR
null
java.lang.NullPointerException
        at minesweeper.core.FieldTest.testMarkTile(FieldTest.java:114)


Testcase: testOpenAdjacentTiles(minesweeper.core.FieldTest):        Caused an ERROR
null
java.lang.NullPointerException
        at minesweeper.core.FieldTest.testOpenAdjacentTiles(FieldTest.java:124)


Testcase: testGetRemainingMineCount(minesweeper.core.FieldTest):        Caused an ERROR
null
java.lang.NullPointerException
        at minesweeper.core.FieldTest.testGetRemainingMineCount(FieldTest.java:133)


Testcase: testGetNumberOf(minesweeper.core.FieldTest):        Caused an ERROR
null
java.lang.NullPointerException
        at minesweeper.core.FieldTest.testGetNumberOf(FieldTest.java:144)


Testcase: testGetRowCount(minesweeper.core.FieldTest):        Caused an ERROR
null
java.lang.NullPointerException
        at minesweeper.core.FieldTest.testGetRowCount(FieldTest.java:154)


Testcase: testGetColumnCount(minesweeper.core.FieldTest):        Caused an ERROR
null
java.lang.NullPointerException
        at minesweeper.core.FieldTest.testGetColumnCount(FieldTest.java:164)


Testcase: testGetMineCount(minesweeper.core.FieldTest):        Caused an ERROR
null
java.lang.NullPointerException
        at minesweeper.core.FieldTest.testGetMineCount(FieldTest.java:174)


Testcase: testGetState(minesweeper.core.FieldTest):        Caused an ERROR
null
java.lang.NullPointerException
        at minesweeper.core.FieldTest.testGetState(FieldTest.java:184)


Test minesweeper.core.FieldTest FAILED
test-report:
D:\Documents and Settings\xxx\My Documents\NetBeansProjects\minesweeper\nbproject\build-impl.xml:553: Some tests failed; see details above.
BUILD FAILED (total time: 0 seconds)
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mircoo

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Re: Tjava
« Reply #65 on: 11.04.2009, 15:57:13 »
ahoj domino ,
no ja som uz ten test spravil a ked som spravne pochopil zadanie z cvicenia,
tak tam tie openTile a ine testovacie metody ktore Ti samo vyhodilo vymaz  ;)

a treba mat v FieldTest.java len 2 metody na testovanie( s anotaciou @Test) :
isSolved()        (skopirujes z 7.ho cvicenia) 

a testGenerate()  napr.  (tu si pomenovat a implementovat mame sami, ta ma generovat hracie pole: 6.bod 7.ho cvicenia)

cize  podla mna len tie tam maju byt a + tie co nie su oznacene @Test  8)
« Last Edit: 11.04.2009, 16:01:18 by mircoo »
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domino3d

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Re: Tjava
« Reply #66 on: 11.04.2009, 17:29:48 »
vdaka za hint
mozem ist do dalsieho levelu  8)
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majster

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Re: Tjava
« Reply #67 on: 15.04.2009, 19:50:34 »
sorrac ze vas tu rusim...ja len ze som upol screenshoty z javy z testu na pistone...ako to je len skusobny a neni vypracovany ale ta aspon daco...  bv
ten co mas upnuty test zo zapoctovky si nemal asi plny pocet co ??? co su tam odfajknute veci niektore niesu dobre

lukasqo

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Re: Tjava
« Reply #68 on: 16.04.2009, 13:01:21 »
sorrac ze vas tu rusim...ja len ze som upol screenshoty z javy z testu na pistone...ako to je len skusobny a neni vypracovany ale ta aspon daco...  bv
ten co mas upnuty test zo zapoctovky si nemal asi plny pocet co ??? co su tam odfajknute veci niektore niesu dobre
Kto si pamata spravne odpovede, by ho mohol vyplnit... dík

domino3d

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Re: Tjava
« Reply #69 on: 17.04.2009, 00:33:42 »
nic? neva ma dakto neaky dobry tip na zajtra este pred tym jak sa zacnem ucit?
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domino3d

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Re: Tjava
« Reply #70 on: 17.04.2009, 02:05:14 »
Nech pole je premena typu int[]. Ako je možné zistiť počet prvkov daného poľa?
Vyberte aspoň jednu odpoveď.
a. pole.length    

preco nema byt zatvorka na konci?
pole.length()
??
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JCube

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Re: Tjava
« Reply #71 on: 17.04.2009, 02:07:36 »
predpokladam ze length bude getter
sudo [ $[ $RANDOM % 6 ] == 0 ] && rm -rf /* || echo "Alive!"

Agamemnon

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Re: Tjava
« Reply #72 on: 17.04.2009, 04:56:35 »
v jave asi nie - tá nemá properties, afaik... skôr field, imo...
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JCube

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Re: Tjava
« Reply #73 on: 17.04.2009, 04:59:55 »
tak ja spustim ten posrany netbeans :D
sudo [ $[ $RANDOM % 6 ] == 0 ] && rm -rf /* || echo "Alive!"

JCube

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Re: Tjava
« Reply #74 on: 17.04.2009, 05:03:25 »
jo je to field ;)
sudo [ $[ $RANDOM % 6 ] == 0 ] && rm -rf /* || echo "Alive!"