Explain Upcast
Upcast: It is a cast towards an object's ultimate super type - which is, `up' the inheritance hierarchy towards the Object class, for example: // Upcast from VariableController to HeaterController VariableController v; ... HeaterController c = v;
Upcast: It is a cast towards an object's ultimate super type - which is, `up' the inheritance hierarchy towards the Object class, for example:
// Upcast from VariableController to HeaterController VariableController v; ... HeaterController c = v;
Search path: It is a list of folders (that is, directories) to be searched - for a program or class, for example.
Write a COBOL IF sentence to use the values of numeric variables EXAM and COURSEWORK, both assumed to be with format PIC 999 and in the range 0 to 100 and to move the value:“FAIL”, “RC” ( resit coursework), “RE” (r
Define the term Multiprogramming system: It is an operating system which is able to run multiple programs parallel.
Unicode: It is a 16-bit character set designed to make it simpler to exchange and exhibit information which makes use of a broad range of dissimilar languages and symbols.
Container Abstractions: Abstractions for containers (such as lists, stacks, sets, or queues) may represent just the state of a container—e.g., full or empty—and abstract away from the actual container content. The list operations also need
An interesting way to estimate pi can can done using Monte Carol method with minimal mathematics. Monte Carlo is known for its casinos. A Monte Carlo method uses change, or in our case, random numbers to simulate the real situation. The situation we simulate here is t
Recursion: Recursion outcomes from a method being invoked whenever an existing call to the similar method has not yet returned. For example: public static void countDown(int n){
Module: It is a group of program components, usually with restricted visibility to program components in other modules. Java employs packages to implement this perception.
Explain the way to close an XHTML element.
State some of the difference between the CSS and the CSS3.
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