Java Programming Test (Random Questions)

An ODBC data structure that identifies a database and the DBMS that processes it is called a(n):

What will be the output of the program?

class Bitwise
{
public static void main(String [] args)
{
int x = 11 & 9;
int y = x ^ 3;
System.out.println( y | 12 );
}
}

According to ANSI specifications which is the correct way of declaring main when it receives command-line arguments?

What is the purpose of fflush() function.

Periodically adding, changing and deleting file records is called file

The number of free electrons and holes in intrinsic semiconductor increases when the temperature

What will be the output of the C#.NET code snippet given below?

namespace IndiabixConsoleApplication
{
class SampleProgram
{
static void Main(string[] args)
{
int[]arr = newint[]{ 1, 2, 3, 4, 5 };
fun(ref arr);
}
static void fun(ref int[] a)
{
for (int i = 0; i < a.Length; i++)
{
a[i] = a[i] * 5;
Console.Write(a[ i ] + " ");
}
}
}
}

Use of a supertype/subtype relationship is necessary when which of the following exists?

Consider the following program and what will be content of t?

#include<stdio.h>

int main()
{
    FILE *fp;
    int t;
    fp = fopen("DUMMY.C", "w");
    t = fileno(fp);
    printf("%d\n", t);
    return 0;
}

A BI reporting system does not ________ .

What command is used with vi editor to append text at end of line?

XSLT processors evaluate each statement in the context of the match that has been made. That is, XSLT processors are:

Which of the following statements are correct about an enum used inC#.NET?

1 By default the first enumerator has the value equal to the number of elements present in the list.

2 The value of each successive enumerator is decreased by 1.

3 An enumerator contains white space in its name.

4 A variable cannot be assigned to an enum element.

5 Values of enum elements cannot be populated from a database.

A good identifier is which of the following?

What PPP protocol provides dynamic addressing, authentication, and multilink?

Which of the following statements are correct?

1 The conditional operator (?:) returns one of two values depending on the value of a Boolean expression.

2 The as operator in C#.NET is used to perform conversions between compatible reference types.

3 The &* operator is also used to declare pointer types and to dereference pointers.

4 The -> operator combines pointer dereferencing and member access.

5 In addition to being used to specify the order of operations in an expression, brackets [ ] are used to specify casts or type conversions.

class HappyGarbage01
{
public static void main(String args[])
{
HappyGarbage01 h = new HappyGarbage01();
h.methodA(); /* Line 6 */
}
Object methodA()
{
Object obj1 = new Object();
Object [] obj2 = new Object[1];
obj2[0] = obj1;
obj1 = null;
return obj2[0];
}
}

Where will be the most chance of the garbage collector being invoked?

Which technique enables the designer to mold and shape, rather than construct on object using a series of lines?

What is the value of "d" after this line of code has been executed?

double d = Math.round ( 2.5 + Math.random() );

Which of the following statements are correct about Inheritance in C#.NET?

1 A derived class object contains all the base class data.

2 Inheritance cannot suppress the base class functionality.

3 A derived class may not be able to access all the base class data.

4 Inheritance cannot extend the base class functionality.

5 In inheritance chain construction of object happens from base towards derived.