[Solved] Explain the output of the java program [duplicate]

So the quick answer, the output will be feline cougar c c The reason now. new Cougar() will create an instance Cougar, since a Cougar is a Feline, Feline‘s constructor is the first thing called in the Cougar‘s constructor. This explain “feline cougar”. public Cougar() { System.out.print(“cougar “); } is actually looking like public Cougar() … Read more

[Solved] I have a Java homework problem that I cannot seem to figure out. Using regular expression and/or API classes like Pattern, Matcher is not allowed [closed]

I have a Java homework problem that I cannot seem to figure out. Using regular expression and/or API classes like Pattern, Matcher is not allowed [closed] solved I have a Java homework problem that I cannot seem to figure out. Using regular expression and/or API classes like Pattern, Matcher is not allowed [closed]

[Solved] Android App Crushing Unexpectedly [closed]

Since you are using Arrays.asList to create your list, this list is unmodifiable, you cannot add or delete any element. Arrays.asList: Returns a fixed-size list backed by the specified array. So when you get to the line facts.remove(randomNumber); you get an Exception like the following (just guessing because you have not shared any stacktrace or … Read more

[Solved] What does Collections.shuffle function do

I don’t think you’re really asking about what Collections.shuffle does in general: I think you’re asking why Collections.shuffle affects the output: You are creating a load of tasks of two kinds: one of them increments a value (“kind 1”); the other increments a value and sometimes prints a message (“kind 2”). These are put into … Read more

[Solved] How can I get time for each name

The variable dateBirth is static. This means that whenever it is changed on one person, it is changed on all of the other people as well. The last person has a date of birth of May 23, 1968, so, since it is the last time the variable is changed, that is what all of the … Read more

[Solved] Add/get methods for lists of objects from different classes

The source code of Room is wrong. Basically, when you get or add something, you are creating a new room. Use the this qualifier to reference to the current room. public int getBedNumber(int i){ return this.beds.get(i).getNumber(); } public List<Bed> getList() { return this.beds; } public void add(Bed beds) { this.beds.add(beds); } 1 solved Add/get methods … Read more