0
interface A
{
void sh();
}
class B implements A
{
void show()
{
System.out.println("show");
}
public void sh()
{
System.out.println("Sh");
}
}
class C
{
public static void main(String...Aa) /* ??? */
{
A a1=new B();
a1.show();
a1.sh();
}
}
if i do that it show complie time error .then why ? can u explain
Wiki User
∙ 12y ago
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What is late binding in Java?
There are some method calls that compiler can't recognize at compile time.so it handle at run time that's called late binding. ---- by Ashok Waghmare.
What is compile time polymorphism in java?
Compile Time Polymorphism in Java is when you have the several methods with same name and different parameters and compiler has to decide how to select which method has to run based on the arguments hence the name Compile time polymorphism or method overloading.
What is Difference between dynamic polymorphism and static polymorphism with example?
Static polymorphism is used the concept of early binding or we can say compile time binding where as dynamic polymorphism used the concept of late binding or run time binding.
What is address binding in operating systems?
A program, to be executed, must be brought to main memory. The instructions that use addresses in a program, must be bound to proper address space in main memory. Address binding is a scheme that performs this job. It can be thought as a mapping from one address space to another. There are bindings available as follows: Compile time binding Load time binding Execution time binding
What is the difference between Late binding and early binding?
Early binding. The type of the instance is determined in the compile time. It follows that the static (declared) type of the pointer or reference is used. This is the default for all methods in C++, C, or Object Pascal.Late binding. The type of the instance is determined in the run time. It follows that the actual type of the instance is used and the method of this type is called. This is always used for the methods in Java. In C++, the virtual keyword denotes the methods using the late binding.Late binding gives the class polymorphic behavior. On the other hand, late binding is less effective than early binding, even though the difference may be negligible. (In C++ on PCs, the difference between the late and the early binding is usually one machine instruction per method call.)Any method that might be overridden in any of the derived classes should use the late binding.Note:In C++ and other OOP languages in which the late binding must be declared, the classes containing at least one virtual method are called polymorphic classes. Classes without any virtual method are called non-polymorphic classes. In languages like Java, where all the methods use late binding by default, all the classes are polymorphic.
What is dynamic binding in java?
Dynamic Binding means declaring variables at run time only rather than declaring it at compile time.
What is late binding in Java?
There are some method calls that compiler can't recognize at compile time.so it handle at run time that's called late binding. ---- by Ashok Waghmare.
Is late binding and dynamic binding related to polymorphism?
Late binding and dynamic binding are related to runtime polymorphism. By contrast, compile time polymorphism is known as static binding. Template functions and classes are examples of static binding because the exact type can be determined at compile time.
Static vs dynamic binding in c plus plus?
Static binding occurs at compile time. Dynamic binding occurs at runtime.
What is compile time polymorphism in java?
Compile Time Polymorphism in Java is when you have the several methods with same name and different parameters and compiler has to decide how to select which method has to run based on the arguments hence the name Compile time polymorphism or method overloading.
Tips how to avoid compile time errors in java?
The best tip to avoid compile time issues is to follow the coding guidelines and syntactical rules specified in the language. Every programming language has such guidelines mentioned while creating the language. If we follow them, then we will not get compile time errors.
Difference between a java complier and the Java JIT?
A java compiler takes Java source code and turns it into Java bytecode, which can then be run by the java virtual machine.Using JIT means that the java code will be compiled and executed at the time that you run the program, which will slow down the program because it has to compile the code at the same time that it runs.
What is Difference between dynamic polymorphism and static polymorphism with example?
Static polymorphism is used the concept of early binding or we can say compile time binding where as dynamic polymorphism used the concept of late binding or run time binding.
How are the address binding of instructions and data is carried to memory address?
Address binding of instructions and data to memory addresses can happen at three different stages: Compile time: If memory location known a priori, absolute code can be generated; must recompile code if starting location changes. Load time: Must generate relocateable code if memory location is not known at compile time. Execution time: Binding delayed until run time if the process can be moved during its execution from one memory segment to another. Need hardware support for address maps (e.g., base and limit registers).
What is load time binding?
: Compiler generates relocatable code if memory location is not known at compile time. Address assigned as loaded; If starting address
What in computing is java?
Java is a computer programming language. Java programs can be interpreted (the computer compiles and runs the program as the code is executed) or it can be pre-compiled into bytecode (the computer doesn't have to compile it as soon as it is run, so time is saved.)
What is address binding in operating systems?
A program, to be executed, must be brought to main memory. The instructions that use addresses in a program, must be bound to proper address space in main memory. Address binding is a scheme that performs this job. It can be thought as a mapping from one address space to another. There are bindings available as follows: Compile time binding Load time binding Execution time binding
