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Java opakování (do pole)
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True nebo False: String je třída.
True.
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Jak jinak můžeme napsat následující zápis? m = m + n
m += n
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Co znamená zkratka IDE?
Integrated Development Environment
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Co je to pole?
Datová struktura, která ukládá skupinu proměnných stejného typu
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Jaký je výstup následujícího kódu?
10
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Sekvenci 8 bitů se říká...
1 byte
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Jaký je výstup následujícího kódu?
21
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Jak přiřadím do int proměnné největší možné číslo?
Integer.MAX_VALUE
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Kolik objektů jedné třídy mohu vytvořit?
libovolné množství
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Která proměnná funguje na principu 1 a 0?
boolean
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Musí mít vždy podmínka else?
ne
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Co potřebujeme k vypsání objektu?
toString()
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Deklarujte proměnnou reálných čísel a přiřaďte ji hodnotu 2,3.
double cislo = 2.3;
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Můžeme mít cyklus v cyklu?
Ano.
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Jaký je rozdíl mezi while cyklem a do-while cyklem?
do-while se provede alespoň jednou
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Jaké máme dva druhy cyklů? Jaký je mezi nimi rozdíl?
for a while
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Jaké hodnoty jsou uloženy v následujícím poli čísel?
0
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True nebo False? Pole má jasně definovanou délku.
True.
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Co je to anonymní objekt?
objekt bez referenční proměnné
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Co je to konstruktor?
metoda, kterou používáme pro snadné vytvoření objektů
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Zdrojový soubor každé třídy má příponu...
.java
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Co je to přetěžování metod?
více metod se stejnými názvy, ale jinými parametry (nelze pouze změnit typ návr. hodnoty)
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K čemu slouží getters a setters?
K získávání (get) a nastavování (set) hodnot vlastností
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Deklarujte celočíselnou proměnnou a nastavte ji hodnotu 5.
int number = 5;
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Popište jednotlivé části metody.
přístupová práva, návratová hodnota, název, vstupní parametry
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