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What would the same code in c++ look like, or the closest thing to it?
public class Skill{
public Skill(String name){
}
public static Map<String, Skill> getSkills(){
Map<String, Skill> skills = new Map<String, Skill>();
skills.add("Endurance", new Skill());
return skills;
}
}
std::map<std::string,Skill*> skills;
skills["Endurance"] = new Skill();
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My probleme is how to change a global class variable in a void function. I need to conserve the changes of my classe. How can I do that ?
//for example
Class Animal{
B b = null;
void Treatement(B b)
{
try{
b = new Class B()
b.name = "toto";
}
catch(Exception e)
{
throw new Exception(e.getMessage());
}
}
}
}
The probleme is I can not find a solution for this example because my variable has to be as parametre and need to save it for other fonctions when an exception is raised.
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Why does java.lang.Exception not provide a setter for the message and allow setting it only via the constructor (e.g. super(_msg))?
For example:
public BadParameterException(QueryParameter _param, String _valStr) {
this.param = _param;
this.valAsStr = _valStr;
}
public BadParameterException(QueryParameter _param, String _valStr, String _msg) {
this(_param, _valStr);
/* This is not possible */ super.setMessage(_msg);
}
instead, I have to do this:
public BadParameterException(QueryParameter _param, String _valStr, String _msg) {
super(_msg);
this.param = _param;
this.valAsStr = _valStr;
}
Because an Exception is a snapshot of a situation. It's not supposed to change it's state.
Since the message can only be set through the constructor, it's basically final and cannot be changed afterwards. That's how it was designed.
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I have this code in Java.
MyObject a = MyObject.newMyObject();
a.setParameter(Parameters.BASIC);
CompositeObject co = CompositeObject.newCompositeObject();
co.add(BasicFactory.newInputStream(new FileInputStream(file), ResourceType.BASIC, a);
Is it possible to do it better using Groovy?
Here's a start.
def a = MyObject.newMyObject()
a.parameter = Parameters.BASIC
def co = CompositeObject.newCompositeObject()
co.add(BasicFactory.newInputStream(new FileInputStream(file), ResourceType.BASIC, a))
If all you really need is the co then you can do something like this to limit the scope of temporary variables.
def co = CompositeObject.newCompositeObject().with {
def a = MyObject.newMyObject()
a.parameter = Parameters.BASIC
def factory = BasicFactory.newInputStream(new FileInputStream(file), ResourceType.BASIC, a)
co.add factory
return it
}
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How can i parse this json with GSON to my model?
Thanks for help.
{
"Kod":"XU100",
"Son Değer":"83.947",
"En Düşük":"83.947",
"En Yüksek":"86.355"
},
Would be like:
#SerializedName("Kod")
private String kod;
#SerializedName("Son Değer")
private String sonDeger;
#SerializedName("En Düşük")
private String enDusuk;
#SerializedName("En Yüksek")
private String enYuksek;
//Getters and Setters
And then:
YourClass yourClass = gson.fromJson(json, YourClass.class);
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Hey guys so I have the method
public void addQuestion(Question question)
{
}
I have created an ArrayList in the class section
private ArrayList<Question> quizQuestion;
and I have initialised the ArrayList in the constructor by typing
quizQuestion = new ArrayList<Question>();
What do I type in the method above so I can add questions to the Question ArrayList. :)
public void addQuestion(Question question)
{
quizQuestion.add(question);
}
public void addQuestion(Question question)
{
quizQuestion.add(question);
}
Not sure, what you really want :)
but if you just want to add parameter Question to arraylist quizQuestion
quizQuestion.add(question);
I hope this helps...
Keep Leanrning :)