Tag: programming languages

The conditional expression in an if statement can have method calls.

If a and b are of type boolean, the expression (a = b) can be the conditional expression of an if statement.

The conditional expression in an if statement cannot have method calls.

The statement if (false) ; else ; is illegal.

Only expressions which evaluate to a boolean value can be used as the condition in an if statement.

Private methods cannot be overridden in subclasses

A subclass can override any method in a superclass.

An overriding method can declare that it throws more exceptions than the method it is overriding.

The parameter list of an overriding method must be a subset of the parameter list of the method that it is overriding.

The overriding method can have a different return type than the overridden method.

Data Exception Error

ABCDE ABCDE

ABCDE bbbbb

Compilation error

No .It occupies 20 bytes

No.It occupies 19 bytes

Yes.It occupies 18 bytes.

None of these

Program C compilation and linkedit is enough

Program A ,Program B and Program C should be compiled

Program A and Program C should be compiled

Program B will have to be relinked with Program C

It must be opened in INPUT mode

It must be opened in OUTPUT mode

It must be opened in I-O mode

As in the case of SORT statement, the file must be closed before the use of this statement

READ

WRITE

REWRITE

START

OPEN INPUT

OPEN INPUT-OUTPUT

OPEN EXTEND

OPEN OUTPUT

The sorted file will contain all Raffles records in ascending order of Y2K-MAIN.

IBM-MAIN is the major key and Y2K-MAIN is the minor key

The statement is wrong as there should be only one key since the clause ascending key appears only once.

Both INPUT-FILE and OUTPUT-FILE must be described in the DATA DIVISION with SD entries.

Can merge a maximum of three files.

Does not require that the input file to be merged be sorted on the merge keys.

Requires that all files mentioned in the statement must have records of same size

Does not require that the position of the merge keys with in the records descriptions of each of the files must be same.