Java Programming Test (Random Questions)

Which of the following statements are valid about generics in .NET Framework?

1 Generics is a language feature.

2 We can create a generic class, however, we cannot create a generic interface in C#.NET.

3 Generics delegates are not allowed in C#.NET.

4 Generics are useful in collection classes in .NET framework.

5 None of the above

Which is a machine-oriented high-level language for the GEC 4080 series machines.

In phase 1 of the system development life cycle, which of the following aspects are usually analyzed?

Which of the following is the 1's complement of 10?

Which statements are true regarding ICMP packets?

1. They acknowledge receipt of a TCP segment.
2. They guarantee datagram delivery.
3. They can provide hosts with information about network problems.
4. They are encapsulated within IP datagrams.

Which of the following statements is correct?

public class MyOuter
{
public static class MyInner
{
public static void foo() { }
}
}

which statement, if placed in a class other than MyOuter or MyInner, instantiates an instance of the nested class?

For the code snippet given below, which of the following statements are valid?

public class MyContainer<T> where T: class, IComparable
{
//Insert code here
}

1 Class MyContainer requires that it's type argument must implement IComparable interface.

2 Compiler will report an error for this block of code.

3 There are multiple constraints on type argument to MyContainer class.

4 Class MyContainer requires that its type argument must be a reference type and it must implement IComparable interface.

Which of the following two entities (reading from Left to Right) can be connected by the dot operator?

What command is used to remove jobs from the print queue?

What multicast addresses does RIPng use?

What is the purpose of "rb" in fopen() function used below in the code?

FILE *fp;
fp = fopen("source.txt", "rb");

Which of the following will be the correct output for the C#.NET code snippet given below?

String s1 = "Five Star";
String s2 = "FIVE STAR";
int c;
c = s1.CompareTo(s2);
Console.WriteLine(c);

Fork is

Which of the following statements is correct about the C#.NET code snippet given below?

switch (id)
{
case 6:
grp = "Grp B";
break;

case 13:
grp = "Grp D";
break;

case 1:
grp = "Grp A";
break;

case ls > 20:
grp = "Grp E";
break ;

case Else:
grp = "Grp F";
break;
}

A reference is declared using the _____ symbol.

What are the different types of real data type in C ?

What difference does the 5th generation computer have from other generation computers?

You have run an SQL statement that asked the DBMS to display data in a table named USER_TABLES. The results include columns of data labeled "TableName," "NumberOfColumns" and "PrimaryKey." You are looking at ________ .

In a HashTable Key cannot be null, but Value can be.