Questions tagged [non-static]

non-static is a term to define a function or field that is bound to some object instance. Without an instance, non static fields cannot be accessed and non static methods cannot be invoked. Unlike static, non-static methods can be overridden (virtual).

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Referencing non-static variable from a static context

I was reading Kathy and Bert SCJP 1.6 and encountered the following code : class Bar { int barNum = 28; } class Foo { Bar myBar = new Bar(); void changeIt(Bar myBar) { myBar.barNum = 99; System.out.println("myBar.barNum in changeIt is "…
Aman Grover
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How is the Static method(main) able to grab hold of non static method(constructor) and execute it?

Seems like a very basic query but I was pondering how the static method main() below is able to execute a non static method(the constructor obviously) from it using the new keyword. Though I understand that new brings onto the table a few other…
Anirudh
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Random number generator in a class method

This is part of a method inside of a class class. My goal is to generate a random number that number will be stored in a variable called iCell. After that, iCell will be used for the switch statement to change the character, cell. I am getting an…
user3471066
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Call variable from other java class

I have this loginscreen class; /* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package program; import…
Lacrymae
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Matlab - Combining enumeration classes with non-static methods

I am attempting to combine an enumeration class with non-static methods in Matlab. I wish to create a 'LogEvent' class, which has the function 'log' which takes as an input argument an enumeration member (such as LogEvent.INFO, LogEvent.ERROR, or…
Charlie
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Caesar Cipher in java don't recognize the methods

Hello i've a problem with my java program the caesar cipher: it gives me this errors: CifrarioCesare.java:27: error: non-static method cripta(String,int) cannot be referenced from a static context c = cripta(s, spost); …
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Laravel Non-static method issue

Having the following Models: news.php class News extends Aware { public static $table = 'noticia'; public static $key = 'idnoticia'; public static $timestamps = false; public static $rules = array( 'titulo' => 'required', …
Alex
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non-static replacement for println

easy question is there an other function i can use instead of println, because i want to output a non-static variable to a file usig out.println(); This is my code: import java.io.*; public class main { String outputString ="Math.sqrt(25);"…
Neobonde
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cant access class variable from class function

i created a header Persona.h and in Persona.cc i am initializing all the variables and functions of the class, why can't i access a variable from Persona.cc? Persona.h #ifndef STD_LIB_H #include #endif #ifndef STD_LIB_H #include…
DomeWTF
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Illegal call of non-static member function

I wish to make a calculator that can calculate numbers of almost any length. The first function that I needed is one that converts a string into a linked list and then returns a pointer to the head of the list. However, when compiling I am faced…
Avgar
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Misunderstanding in Java

I'm trying the static and non-static methods and fields. I tried to compile this: class main{ public int a=10; static int b=0; public static void main(String[] args){ b+=1; //here i can do anything with static fields. …
user1462183
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Working example of accessing non-static member from static method

I was studying ns-3 tutorial. I cannot understand the following code snippet: class MyObject : public Object { public: static TypeId GetTypeId (void) { static TypeId tid = TypeId ("MyObject") .SetParent (Object::GetTypeId ()) …
user1558573
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Access static variable in non-static method + Inheritance

I have the following stucture class Foo { public static $a = "parent"; public static function Load() { return static::$a; } public function Update() { return self::$a; } } class Bar extends Foo { …
Artmann
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Static And Non Static Method Intercall In Java

I am clearing my concepts on Java. My knowledge about Java is on far begineer side, so kindly bear with me. I am trying to understand static method and non static method intercalls. I know -- Static method can call another static method simply by…
Vishal
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Android non-static string to Static string error

I am building a database class in android which gathers String non-static data from the getIntent().getStringExtra(name) function. The value of this i am putting in a simple string variable (Non-Static). When im trying to use it inside a static…
rel-s
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