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Adding method to return the pre-defined names of colours supported by GameArena #2

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Adding method to return the pre-defined names of colours supported by GameArena #2

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13 changes: 13 additions & 0 deletions GameArena.java
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Original file line number Diff line number Diff line change
Expand Up @@ -359,5 +359,18 @@ public boolean spacePressed()
return space;
}

//NB use lazy instantiation
private String[] names=null;
/**
* Gets the known colour names.
* @return an array of the names of pre-defined colours known by the GameArena
*/
public String[] getDefaultColourNames(){
if (names==null){
names = colours.keySet().stream().toArray(String[]::new);
}
return names;
}


}