JAVA DUMPS 17 (SCJP)

QUESTION NO: 92

Given:

1. abstract class AbstractIt {

2. abstract float getFloat();

3. }

4. public class AbstractTest extends AbstractIt {

5. private float f1 = 1.0f;

6. private float getFloat() { return f1; }

7. }

What is the result?

A. Compilation succeeds.

B. An exception is thrown.

C. Compilation fails because of an error at line 2.

D. Compilation fails because of an error at line 6.

Answer: D

 

QUESTION NO: 93

Which four can be thrown using the throw statement? (Choose four)

A. Error

B. Event

C. Object

D. Throwable

E. Exception

F. RuntimeException

Answer: A, D, E, F

 

QUESTION NO: 94

What produces a compiler error?

A. class A {

public A(int x) {}

}

B. class A {

}

class B extends A {

B() {}

}

C. class A {

A() {}

}

class B {

public B() {}

}

D. class Z {

public Z(int) {}

}

class A extends Z {

}

Answer: D

 

QUESTION NO: 95

Given:

11. for( int i = min; i <max; i++) {

12. System.out.println(i);

13. }

If min and max are arbitrary integers, what gives the same result?

A. init i = min;

while( i < max ) {

}

B. int i = min;

do

System.out.println(i++);

} while( i< max );

C. for (int i=min; i<max; System.out.println(++I));

D. for (int i=; i++<max; System.out.println(i));

Answer: B