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;
Illustrates the parts of an XML document are case-sensitive.
Out of scope: It is a variable is in scope as long as the program's flow of control is in the variable's defining block. Or else, this is out of scope.
Search path: It is a list of folders (that is, directories) to be searched - for a program or class, for example.
Try statement: The try statement performs as an exception handler - a position where exception objects are caught and dealt with. In its most common form, it comprises of a try clause, one or more catch clauses and the finally clause.
Stack overflow: Stack overflow takes place whenever too many items are pushed onto a stack with a finite or limited capacity.
What does WSDL stand for?
Define the term SOAP.
Task 3 Explain the effect of the following pictures: 05 FIELD-1 PIC Z(5)9. 05 FIELD-2 PIC £(5)9.99. 05 FIELD-3 PIC £**,***.99. 05 FIELD-4 PIC £££,££9.99DB. 05
Well-known port: It is a port number at which a server provides a familiar service. For example, 80 is well-known port number for the servers employing the HyperText Transfer Protocol (abbreviated as HTTP).
Define the term Top level class: It is a class defined either at outermost level of a package or the static nested class.
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