Set 8

True or False

QID: 
303

You can call only public and protected constructors of the super class from a subclass if the subclass is not in the same package because only those are inherited.

Select 1 option

A. True
B. False
 

Multiple Choice Question

QID: 
302

Which of the following are true about the "default" constructor?

Select 2 options

A. It is provided by the compiler only if the class does not define any constructor. 
B. It initializes the instance members of the class. 
C. It calls the default 'no-args' constructor of the super class. 
D. It initializes instance as well as class fields of the class. 
E. It is provided by the compiler if the class does not define a 'no- args' constructor.

Multiple Choice Question

QID: 
301

What will the following program print?

public class TestClass{  
static int someInt = 10;  
public static void changeIt(int a){  
  a = 20;  }  
public static void main(String[] args){   
 changeIt(someInt);    
System.out.println(someInt);  } }

Select 1 option 

A. 10 
B. 20 
C. It will not compile. 
D. It will throw an exception at runtime. 
E. None of the above. 

Descriptive Question

QID: 
300

Complete the code using blue labels on the right so that the ouput will 210.
(You may have some blanks empty.)

public int a= a+offset;
return a;
u.update(a,111);
a= u.update(a,111);
return;
public void
public class Updater

{

                                       update(int a, int offset)

{

                                     

                                     

}

public static void main(String [] args)

{

Updater u= new Updater();

int a = 99;
                                     

System.out.println(a);

}

}

Multiple Choice Question

QID: 
299

Consider the following class definition:

public class TestClass{
public static void main(){ new TestClass().sayHello(); } //1
public static void sayHello(){ System.out.println("Static Hello World"); public void sayHello() { System.out.println("Hello World "); } //3
}

What will be the result of compiling and running the class?

Select 1 option

A. It will print Hello World.
B. It will print Static Hello World.
C. Compilation error at line 2.
D. Compilation error at line 3.
E. Runtime Error.

Pages

Search the Web

Custom Search

Searches whole web. Use the search in the right sidebar to search only within javajee.com!!!

Quick Notes Finder Tags

Activities (1) advanced java (1) agile (3) App Servers (6) archived notes (2) ArrayLists (1) Arrays (2) Best Practices (12) Best Practices (Design) (3) Best Practices (Java) (7) Best Practices (Java EE) (1) BigData (3) Chars & Encodings (6) coding problems (2) Collections (15) contests (3) Core Java (All) (52) course plan (2) Database (12) Design patterns (8) dev tools (3) downloads (2) eclipse (9) Essentials (1) examples (14) Exception (1) Exceptions (4) Exercise (1) exercises (6) Getting Started (18) Groovy (2) hadoop (4) hibernate (77) hibernate interview questions (6) History (1) Hot book (4) http monitoring (2) Inheritance (4) intellij (1) java 8 notes (4) Java 9 (1) Java Concepts (7) Java Core (7) java ee exercises (1) java ee interview questions (2) Java Elements (16) Java Environment (1) Java Features (4) java interview points (4) java interview questions (4) javajee initiatives (1) javajee thoughts (3) Java Performance (6) Java Programmer 1 (11) Java Programmer 2 (8) Javascript Frameworks (1) Java SE Professional (1) JSP (1) Legacy Java (1) linked list (3) maven (1) Multithreading (16) NFR (1) No SQL (1) Object Oriented (9) OCPJP (4) OCPWCD (1) OOAD (3) Operators (4) Overloading (2) Overriding (2) Overviews (1) policies (1) programming (1) Quartz Scheduler (1) Quizzes (17) RabbitMQ (1) references (2) resources (1) restful web service (3) Searching (1) security (10) Servlets (8) Servlets and JSP (31) Site Usage Guidelines (1) Sorting (1) source code management (1) spring (4) spring boot (3) Spring Examples (1) Spring Features (1) spring jpa (1) Stack (1) Streams & IO (3) Strings (11) SW Developer Tools (2) testing (1) troubleshooting (1) user interface (1) vxml (8) web services (1) Web Technologies (1) Web Technology Books (1) youtube (1)