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Q61. Given: 

Which two classes use the shape class correctly? 

A. Option A 

B. Option B 

C. Option C 

D. Option D 

E. Option E 

F. Option F 

Answer: B,E 

Explanation: When an abstract class is subclassed, the subclass usually provides implementations for all of the abstract methods in its parent class (E). However, if it does not, then the subclass must also be declared abstract (B). Note: An abstract class is a class that is declared abstract—it may or may not include abstract methods. Abstract classes cannot be instantiated, but they can be subclassed. 


Q62. Consider 

Integer number = Integer.valueOff 808.1"); 

Which is true about the above statement? 

A. The value of the variable number will be 808.1 

B. The value of the variable number will be 808 

C. The value of the variable number will be 0. 

D. A NumberFormatException will be throw. 

E. It will not compile. 

Answer:

Explanation: 

The Integer class value of 0 returns an Integer from given string. But we need to pass string which has correct format for integer otherwise it will throw a NumberFormatException. In this case we have passed string which is not an integer value (since what we passed is fractional number), so option D is correct. 


Q63. Given: 

public class Test { 

public static void main(String[] args) { 

try { 

String[] arr =new String[4]; 

arr[1] = "Unix"; 

arr[2] = "Linux"; 

arr[3] = "Solarios"; 

for (String var : arr) { 

System.out.print(var + " "); 

} catch(Exception e) { 

System.out.print (e.getClass()); 

What is the result? 

A. Unix Linux Solaris 

B. Null Unix Linux Solaris 

C. Class java.lang.Exception 

D. Class java.lang.NullPointerException 

Answer:

Explanation: null Unix Linux Solarios 

The first element, arr[0], has not been defined. 


Q64. Given the code fragment: 

What is the result? 

A. May 04, 2014T00:00:00.000 

B. 2014-05-04T00:00: 00. 000 

C. 5/4/14T00:00:00.000 

D. An exception is thrown at runtime. 

Answer:

Explanation: 

java.time.temporal.UnsupportedTemporalTypeException: Unsupported field: HourOfDay 


Q65. Given: 

A. X XX 

B. X Y X 

C. Y Y X 

D. Y YY 

Answer:


Q66. Given the following code: 

What is the output? 

A. 4 

B. 3 

C. 4 

D. 5 

E. 4 

F. 4 

21 

Answer:


Q67. View the exhibit. 

Given the code fragment: 

Which change enables the code to print the following? 

James age: 20 

Williams age: 32 

A. Replacing line 5 with public static void main (String [] args) throws MissingInfoException, AgeOutofRangeException { 

B. Replacing line 5 with public static void main (String [] args) throws.Exception { 

C. Enclosing line 6 and line 7 within a try block and adding: catch(Exception e1) { //code goes here} catch (missingInfoException e2) { //code goes here} catch (AgeOutofRangeException e3) {//code goes here} 

D. Enclosing line 6 and line 7 within a try block and adding: catch (missingInfoException e2) { //code goes here} catch (AgeOutofRangeException e3) {//code goes here} 

Answer:


Q68. Given: 

abstract class A1 { 

public abstract void m1(); 

public void m2() { System.out.println("Green"); } 

abstract class A2 extends A1 { 

public abstract void m3(); 

public void m1() { System.out.println("Cyan"); } 

public void m2() { System.out.println("Blue"); } 

public class A3 extends A2 { 

public void m1() { System.out.println("Yellow"); } 

public void m2() { System.out.println("Pink"); } 

public void m3() { System.out.println("Red"); } 

public static void main(String[] args) { 

A2 tp = new A3(); 

tp.m1(); 

tp.m2(); 

tp.m3(); 

What is the result? 

A. Yellow Pink Red 

B. Cyan Blue Red 

C. Cyan Green Red 

D. Compilation Fails 

Answer:


Q69. Given the code fragment: int[] array = {I, 2, 3, 4, 5}; And given the requirements: 

Process all the elements of the array in the order of entry. 

Process all the elements of the array in the reverse order of entry. 

Process alternating elements of the array in the order of entry. 

Which two statements are true? 

A. Requirements 1, 2, and 3 can be implemented by using the enhanced for loop. 

B. Requirements 1, 2, and 3 can be implemented by using the standard for loop. 

C. Requirements 2 and 3 CANNOT be implemented by using the standard for loop. 

D. Requirement 1 can be implemented by using the enhanced for loop. 

E. Requirement 3 CANNOT be implemented by using either the enhanced for loop or the standard for loop. 

Answer: D,E 


Q70. Given: 

package p1; 

public class Test { 

static double dvalue; 

static Test ref; 

public static void main(String[] args) { 

System.out.println(ref); 

System.out.println(dvalue); 

What is the result? 

A. p1.Test.class 

0.0 

B. <the summary address refrenced by ref> 0.000000 

C. Null 

0.0 

D. Compilation fails 

E. A NullPointerException is thrown at runtime 

Answer: