1z0-808 Java SE 8 Programmer I Questions and Answers

100

101

102

103

Compilation fails

Option A

Option B

Option C

Option D

Line 7

Line 8

Line 9

Line 10

Line 11

Line 12

15, 60, 45, 90, 75

15, 90, 45, 90, 75

15, 30, 75, 60, 90

15, 30, 90, 60, 90

15, 4, 45, 60, 90

10:20

0:20

Compilation fails at line n1

Compilation fails at line n2

Replace line 6 with System.out.print (--x);

At line 7, insert x --;

Replace line 5 with while (is Available(--x)) {

Replace line 12 with return (x > 0) ? false : true;

Improves the program structure because the error handling code is separated from the normal program function

Provides a set of standard exceptions that covers all possible errors

Improves the program structure because the programmer can choose where to handle exceptions

Improves the program structure because exceptions must be handled in the method in which they occurred

Allows the creation of new exceptions that are customized to the particular program being created

Option A

Option B

Option C

Option D

It results in a compile time error at line 18.

It results in a compile time error at line 9.

It prints : 1

It results in a compile time error at lines at lines 12 and 15.

Both p and s are accessible via obj.

Only s is accessible via obj.

Both r and s are accessible via obj.

p, r, and s are accessible via obj.

100

101

102

103

Compilation fails

Option A

Option B

Option C

Option D

Option E

Option F

AB

AC

CC

A ClassCastException is thrown only at line n1.

A ClassCastException is thrown only at line n2.

2012-02-10

2012-02-11

Compilation fails

A DateTimeException is thrown at runtime.

A NullPointerException is thrown at runtime.

[1, 2, 4]

[1, 2, 4, null]

[1, 3, 4, null]

[1, 3, 4]

Compilation fails.

Option A

Option B

Option C

Option D

Make the method at line 8 protected.

Make the method at line 8 public.

Make the method at line 10 protected.

Make the method at line 4 public.

Make the method at line 2 public.

Replace line 5 With String opt = "true";Replace line 7 with case "true":

Replace line 5 with boolean opt = l;Replace line 7 with case 1:

At line 9, remove the break statement.

Remove the default section.

Option A

Option B

Option C

Option D

Option E

10

20

A compile time error occurs

20

20

10

10

5 : 5

10 : 10

5 : 10

Compilation fails.

int array[] = new int[3] {1, 2, 3};

int array[] = new int[3]; array[0] = 1;

array[1] = 2;

array[2] = 3;

int array[3] = new int[] {1, 2, 3};

int array[] = new int[3]; array = {1, 2, 3};

int array[] = new int[] {1,2,3};

Option A

Option B

Option C

Option D

Compilation fails.

11

8

9

10

3

4

-1

Compilation fails.

int main 1

Object main 1

String main 1

Compilation fails

An exception is thrown at runtime

Compilation fails at both line n1 and line n2.

Compilation fails only at line n2.

Compilation fails only at line n1.

Jesse 25Walter 52

Option A

Option B

Option C

Option D

3 4 5 6

3 4 3 6

5 4 5 6

3 6 4 6

grid[2][1] = ‘X’;

grid[3][2] = ‘X’;

grid[3][1] = ‘X’;

grid[2][3] = ‘X’;

AC

BD

BC

AD

Bird p = new Peacock();

Bird b = new Bird();Peacock p = (Peacock) b;

Peacock b = new Peacock ();Bird p = (Bird) b;

Bird b = new Peacock ();Peacock p = (Peacock) b;

2012-02-10

2012-01-30

2012-02-10 00:00

A DateTimeException is thrown at runtime.

1 2 3 0 01 2 3 0 0

An Exception is thrown at run time.

1 2 3 0 01 2 3

1 2 31 2 3

Compilation fails at line n1.

InitializedStartedInitialized

InitializedStarted

Compilation fails at line n2.

Good Luck!

Good Day!

Welcome!

Hello!

Vehicle Bus

Bus

Vehicle

Bus

The program doesn’t print anything

1 2 3 0 01 2 3 0 0

An Exception is thrown at run time.

1 2 3 0 01 2 3

1 2 31 2 3

1 null

true false

false false

true true

A ClassCastException is thrown at runtime.

Option A

Option B

Option C

Option D

Option A

Option B

Option C

Option D

Bird p = new Peacock();

Bird b = new Bird();Peacock p = (Peacock) b;

Peacock b = new Peacock ();Bird p = (Bird) b;

Bird b = new Peacock ();Peacock p = (Peacock) b;

c=null

b=true

f=0.0

c=

b=false

f=0.0

c=null

b=false

f=0.0

c=0

b=false

f=0.0F

15, 60, 45, 90, 75

15, 90, 45, 90, 75

15, 30, 75, 60, 90

15, 30, 90, 60, 90

15, 4, 45, 60, 90

A B C Work done

A B C D Work done

A Work done

Compilation fails

Option A

Option B

Option C

Option D

At line n1 insert: import clothing.Shirt;At line n2 insert: String color = Shirt.getColor();

At line n1 insert: import clothing;At line n2 insert: String color = Shirt.getColor();

At line n1 insert: import static clothing.Shirt.getColor;At line n2 insert: String color = getColor();

At line n1 no changes required.At line n2 insert: String color = Shirt.getColor();

At line n1 insert: import Shirt;At line n2 insert: String color = Shirt.getColor();

10 : 30 : 6

10 : 22 : 22

10 : 22 : 20

10 : 22 : 6

true

false

-1

0

1 2 3 4followed by an ArrayIndexOutOfBoundsException

1 2 3

1 2 3 4

Compilation fails.

C1C2

C1C1

Compilation fails.

C2C2

AB

AC

CC

A ClassCastException is thrown only at line n1.

A ClassCastException is thrown only at line n2.

4W 100 Auto4W 150 Manual

null 0 Auto4W 150 Manual

Compilation fails only at line n1

Compilation fails only at line n2

Compilation fails at both line n1 and line n2

Option A

Option B

Option C

Option D

Option E

3

0

Compilation fails.

-1

It must contain the default section.

The break statement, at the end of each case block, is mandatory.

Its case label literals can be changed at runtime.

Its expression must evaluate to a single value.

2012-02-10

2012-02-11

Compilation fails

A DateTimeException is thrown at runtime.

float flt = 100.00F;

float flt = (float) 1_11.00;

Float flt = 100.00;

double y1 = 203.22;float flt = y1;

int y2 = 100;float flt = (float) y2 ;

String str = “Java”;

for(int iVal = 0; iVal <=5; iVal++){}

Test() {}

package p1;

import java.io.*;

It can run on any platform.

It can run on any platform only if it was compiled for that platform.

It can run on any platform that has the Java Runtime Environment.

It can run on any platform that has a Java compiler.

It can run on any platform only if that platform has both the Java Runtime Environment and a Java compiler.

It is invoked by JRE

It is a final method

It returns true if it is executed successfully at run time

It must be defined within a public class

Option A

Option B

Option C

Option D

Objects cannot be reused.

A subclass must override the methods from a superclass.

Objects can share behaviors with other objects.

A package must contain a main class.

Object is the root class of all other objects.

A main method must be declared in every class.

S 6

S 5

s-1

w 7