VMware Code Snippets Questions and ANSWERS Quiz-1

Question 1

Time: 00:00:00

What is the output of this C code?

#include
void main()
{
int x = 97;
int y = sizeof(x++);
printf("x is %d", x);
}

x is 97

x is 98

x is 99

Run time error

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Question 2

Time: 00:00:00

What is the output of the below c code?

#include
void main()
{
char *s = "hello";
char *p = s;
printf("%p\t%p", p, s);
}

Different address is printed

Same address is printed

Run time error

Nothing

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Question 3

Time: 00:00:00

What is the output of this C code?

#include
#define foo(m, n) m * n = 10
int main()
{
printf("in main\n");
}

In main

Compilation error as lvalue is required for the expression m*n=10

Preprocessor error as lvalue is required for the expression m*n=10

None of the mentioned

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Question 4

Time: 00:00:00

Which of the following code fragments inserted, will allow compiling?

public class Outer
{
public void someOuterMethod()
{
//Line 5
}
public class Inner { }

public static void main(String[] argv)
{
Outer ot = new Outer();
//Line 10
}
}

new Inner(); //At line 5

new Inner(); //At line 10

new ot.Inner(); //At line 10

new Outer.Inner(); //At line 10

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Question 5

Time: 00:00:00

What is the widest valid returnType for method in line 3?

public class ReturnIt
{
returnType methodA(byte x, double y) /* Line 3 */
{
return (long)x / y * 2;
}
}

int

byte

long

double

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Question 6

Time: 00:00:00

What will be the output of the program?

class A
{
final public int GetResult(int a, int b) { return 0; }
}
class B extends A
{
public int GetResult(int a, int b) {return 1; }
}
public class Test
{
public static void main(String args[])
{
B b = new B();
System.out.println("x = " + b.GetResult(0, 1));
}
}

x = 0

x = 1

Compilation fails.

An exception is thrown at runtime.

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Question 7

Time: 00:00:00

What will be the output of the program?

public class Test
{
public static void main(String args[])
{
class Foo
{
public int i = 3;
}
Object o = (Object)new Foo();
Foo foo = (Foo)o;
System.out.println("i = " + foo.i);
}
}

i = 3

Compilation fails.

i = 5

A ClassCastException will occur.

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Question 8

Time: 00:00:00

What will be the output of the program?

public class A
{
void A() /* Line 3 */
{
System.out.println("Class A");
}
public static void main(String[] args)
{
new A();
}
}

Class A

Compilation fails.

An exception is thrown at line 3.

The code executes with no output.

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