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Computer Programming Articles
Page 16 of 18
What are the different benefits of using programming languages in compiler design?
There are the following benefits of programming languages which are as follows −To improve your ability to develop effective algorithms − Some languages support features if they are used appropriately, which will be useful to the developer. But if used inappropriately, it can cause waste in a huge amount of computer time or lead the developer to tedious logical errors. Recursion is a convenient programming feature that, when accurately used, enables the direct performance of simple and efficient algorithms. When used inappropriately, it can generate an extreme raise in execution time.To improve the use of existing programming language − By ...
Read MoreDifference Between PLA and PAL
In this post, we will understand the difference between PLA and PAL −PLAIt stands for Programmable Logic Array.Its speed is lesser in comparison to PAL.It is highly complex.It is expensive.It is not available easily.It is used less in comparison to PAL.PALIt stands for Programmable Array Logic.It has a higher speed in comparison to PLA.It is less complex.It is inexpensive.It is more readily available in comparison to PLA.It is used more in comparison to PLA.
Read MoreDifference Between Local and Global Variable
In this post, we will understand the difference between local and global variables.Local variableIt is generally declared inside a function.If it isn’t initialized, a garbage value is stored inside it.It is created when the function begins its execution.It is lost when the function is terminated.Data sharing is not possible since the local variable/data can be accessed by a single function.Parameters need to be passed to local variables so that they can access the value in the function.It is stored on a stack, unless mentioned otherwise.They can be accessed using statement inside the function where they are declared.When the changes are ...
Read MoreDifference Between Static and Dynamic Binding
In this post, we will understand the difference between static binding and dynamic binding.Static BindingIt is resolved at compile time.It uses type of the class and fields.It uses private, final, and static methods and variables.Example: OverloadingDynamic BindingIt is resolved during run time.Virtual methods use this technique.It uses objects to resolve the binding.Example: Method overriding.
Read MoreDifference Between Type casting and Type Conversion
In this post, we will understand the difference between type casting and type conversion.Type castingA data type is converted to another data type using the casting operator by the developer.It can be applied to any compatible data types and incompatible data types.The casting operator is required to cast a data type to another type.The destination data type could be smaller than the source data type.It happens during the program design.It is also known as narrowing conversion since the destination data type may be smaller than the source data type.It is generally used in coding and competitive programming.It is efficient.It is ...
Read MoreDifference Between break and continue
In this post, we will understand the difference between break and continue statements.breakIt is used to terminate the enclosing loop like while, do-while, for, or switch statement where it is declared.It resumes control over the program until the end of the loop.It also helps with the flow of control outside the loop.It is used with ‘switch’ and ‘label’ since it is compatible.Following is the flowchart of break statement −continueIt helps skip the remaining part of the loop.It continues to execute the next iteration.It causes early execution of the next iteration of the enclosing loop.It can’t be used with ‘switch’ and ...
Read MoreDifference Between One-Dimensional (1D) and Two-Dimensional (2D) Array
In this post, we will understand the difference between one dimensional array and two dimensional array.One dimensional arrayIt helps store a single list of elements that are similar data type.The total bytes is calculates as the product of the datatype of variable array and the size of the array.C++ declarationtype variable_name[ size ];Java declarationtype variable_name [ ]; variable_name = new type[size];int [ ] a = new int [10];Two-Dimensional arrayIt helps store 'list of lists' or 'array of arrays' or 'array of one dimensional arrays', i.e nested arrays.The total bytes is equivalent to product of datatype of variable array and size ...
Read MoreDifference Between Virtual and Pure Virtual Function
In this post, we will understand the difference between virtual and pure virtual functions.Virtual FunctionIt has its own definition inside the class.The base class can override a virtual function.It doesn’t have a derived class.Declarationvirtual funct_name(parameter_list) {. . . . .};Pure Virtual FunctionIt doesn’t have a definition.If a class has at least one virtual function, it can be declared abstract.The derived class has to override the pure virtual function to use it.A pure virtual function is specified by placing "= 0" in its declarationDeclarationvirtual funct_name(parameter_list)=0;Following is an example −Exampleclass Box { public: // pure virtual function virtual double ...
Read MoreDifference Between for and while loop
In this post, we will understand the difference between the ‘for’ and the ‘while’ loop.For loopThe initialization, condition checking, and the iteration statements are written at the beginning of the loop.It is used only when the number of iterations is known beforehand.If the condition is not mentioned in the 'for' loop, then the loop iterates infinite number of times.The initialization is done only once, and it is never repeated.The iteration statement is written at the beginning.Hence, it executes once all statements in loop have been executed.Examplefor(initialization; condition; iteration){ //body of the 'for' loop }Following is the flowchart ...
Read MoreDifference Between Pointer and Reference
In this post, we will understand the difference between pointer and reference.PointerIt can be initialized to any value.It can be initialized any time after its declaration.It can be assigned to point to a NULL value.It can be dereferenced using the ‘*’ operator.It can be changed to point to a different variable of the same type only.Exampleint val = 5; //code// int *p = &val;ReferenceIt has to be initialized when it is declared.It can’t be a NULL value.It can be used by a name.Once it has been initialized to a variable, it can’t be changed to refer to a variable object.Exampleint ...
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