class tag

88 questions

1 answers
128 views
0

I can't do the questions while studying Python class. The wrong place

I'm studying about Python class!I defined the class and proceeded, but it was executed, but the result didn't come outI ask for your help me.class myObj(object): def set_value(self, item): self.item=...

python class

2 years ago

1 answers
165 views
0

Can't the constructor be called when creating a temporary object with a return value?

#include <iostream>class Point{ int x, y;public: Point (int a = 0, int b = 0): x(a), y(b) {std::cout << execute creator<< std::endl;} friend Point operator+(const Point& p1, cons...

c++ rvo class temporary-object

2 years ago

1 answers
79 views
0

Add Python Dictionary Value and Output to String

class HashMap: def __init__(self): self.vals = {} def insert(self, key, val): self.vals = {key:val} def __str__(self): result = '' for i in self.vals.items(): result = result + str(i) + ',' retu...

python class dictionary

2 years ago

2 answers
167 views
0

Here's a question for Java class conversion!

I am studying Java again, and I am posting a question because I have a question.public class super{ public int one= 11; public int two= 22; public void one_method() { System.out.println(super one_met...

java class casting

2 years ago

1 answers
150 views
0

What is the difference between a class variable and an instance variable?

class instance

2 years ago

1 answers
121 views
0

Is there a way to combine the results of the events into one and hand them over to other classes?

For example, in the class Fragment 1, there are various events [Spinner, Switch, SeekBar] and so onIs there a way to put the initial values of these events together and put them in Message.obj and sen...

class interface

2 years ago

1 answers
77 views
0

Description of public, private, protected

I saw the professor's PPT that distinguished the types of methods in the class diagrampublic - Access control to disclose one's attributes or actions to the outside worldPrivate-Access control accessi...

class oop

2 years ago

1 answers
107 views
0

When creating a class, how do I compare the class(type) object that is being created in the eq function?

For example, class num def __init__(self,input_parm): self.num = int(input_parm) def __eq__(self, other):In this case (switch the input to an integer and store it as an initialization value)When inp...

python class

2 years ago

2 answers
145 views
0

Why do you add self when calling a function?

def sum(self): resurt = 0 for num in self.numberlist: resurt += num return resurtdef avg(self): total = self.sum() return total/ len(self.numberlist)Medium total = self.Why is self in sum()?

python class

2 years ago

1 answers
59 views
0

Why are properties created that are not in Python class slots?

class b(): __slots__=['a'] c=1one=b()one.a=1try: one.b=2except: print(Cannot be created)print(one.a)class q(): passclass w(q): __slots__=['a']two=w()two.a=1two.b=2print(two.a, two.b)In class b, slots ...

class __slots__

2 years ago

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