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Static methods are methods that can be invoked without creating an instance of the class that contains them. They are needed in cases where the programmer would not want to create multiple instances of a class to execute a method.
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Static method can be call object?
yes we can call a static method with object
Can you refer non static method from static content in java?
Shortly, you can not.Different approaches are however available.1. Put your non static method in different class. Then call it from your static content by first instantiating the class.2. Make a duplicate static method for your non static method and use from your static content.
Do static methods operate on objects why?
No. Why? By definition. A static method is, precisely, a method that is not meant to operate on an object. It can only work with static fields, and other static methods, of its class.
Can you overwrite main function in java?
You can not overwrite a static method in Java,and 'main' is a static method.so,you can't overwrite the 'main'.
It is perfectly legal to any instance variable inside of a static method?
No. You will get compilation errors. The complier will complain that you are trying to access non static variables from inside a static method. A static method can access only static variables.
What is need of static method?
If you need to access a method without creating an object of corresponding class, it need to be a static method.
Why static is used in main method?
It is declared static because the JVM would need to execute the main method and if it is not static the JVM would need an object of the class to access the method. How can the JVM get an object of a class without invoking it. since it is static, the JVM can easily access it without this need to have an object of the class.
What is Static method in programming?
A static method in java is also named a class method, because it does not need an instance (of his class) to be invoked. Static methods can't use instance variables (non static variables) or use the keywords 'this'. These methods receive all the information they need to complete his task from his parameters
Why is it the main method is a static method?
It doesn't need to be shared among several objects.
Can you refer static method from non static method in java?
Yes, it is possible to call a static method from a non-static method. However, it is not possible to call a non-static method from a static method without first having an instance to operate on.
Can static method can be overloaded or not?
Yes, a static method may be overloaded.
Tell about static method?
in java a method is said to be static if 'static 'keyword is used before the method name . foe ex.- static void show(){ ........ } this method has the following property-- 1. it can invoke only a static method. 2. it can't be reffered using keyword 'this','super'. 3.static method can access only a STATIC MEMBER VARIABLE or STATIC CLASS VARIABLE . 4. there should not be static & non static version of a nethod in a class . 5.static method can be used before the creation of d object of dt class.
Why you use main method when you can use static method?
The main method is called by the jvm when your program is executed. The main method is a static method: public static void main(String[] args) {} A static method is method that can be run without instantiate the class (creating an object from it) The main method is a static method. No other static method could replace it's functionality. PS By static method do you mean static initialiser? I often use static initialisers instead of a main method, but in these cases you must still have a main method, albeit an empty one ie. public static void main(String[] args) {} Notice that the method has an empty body A main method must be used if you intend to accept parameters at run time from the jvm.
Static method can be call object?
yes we can call a static method with object
Can you refer non static method from static content in java?
Shortly, you can not.Different approaches are however available.1. Put your non static method in different class. Then call it from your static content by first instantiating the class.2. Make a duplicate static method for your non static method and use from your static content.
Do static methods operate on objects why?
No. Why? By definition. A static method is, precisely, a method that is not meant to operate on an object. It can only work with static fields, and other static methods, of its class.
Can static variable be used inside a static method?
Yes.
