Java Programming Language Quiz Coding
Total Questions=20
- 1.--Controller Servlet in struts
- A.
ActionServlet
- B.
FrontControllerServlet
- C.
FormBean class
- D.
Action class
- 2.Which of the collection classes will follow the InsertionOrder
- A.
ArrayList
- B.
LinkedHash set
- C.
Vector
- D.
All the above
- 3.Http protocol is a _____________
- A.
State full
- B.
State less
- C.
Both
- D.
None
- 4.Public static void parse(String str) { try { float f = Float.parseFloat(str); } catch (NumberFormatException nfe) { f = 0; } finally { System.out.println(f); } } public static void main(String[] args) { parse("invalid"); } What is the result?
- A.
0.0
- B.
Compilation fails.
- C.
A ParseException is thrown by the parse method at runtime
- D.
A NumberFormatException is thrown by the parse method at runtime.
- 5.Public class Yippee2 { static public void main(String [] yahoo) { for(int x = 1; x < yahoo.length; x++) { System.out.print(yahoo[x] + " "); } . } } and the command line invocation: java Yippee2 a b c What is the result?
- A.
A b
- B.
B c
- C.
a b c
- D.
Compilation fails.
- E.
An exception is thrown at runtime.
- 6.Public class Test { public static void main(String [] args) { int x = 5; boolean b1 = true; boolean b2 = false; f ((x == 4) && !b2 ) System.out.print("1 "); System.out.print("2 ");. if ((b2 = true) && b1 ) System.out.print("3 "); } } What is the result?
- A.
2
- B.
3
- C.
1 2
- D.
2 3
- 7.Public class Hello { String title; int value; public Hello() { title += " World"; } public Hello(int value) { this.value = value; title = "Hello"; Hello(); } } and: Hello c = new Hello(5); System.out.println(c.title); What is the result?
- A.
Hello
- B.
Hello World
- C.
Compilation fails.
- D.
Hello World 5
- 8.Public class Wow { public static void go(short n) {System.out.println("short");} public static void go(Short n) {System.out.println("SHORT");} public static void go(Long n) {System.out.println(" LONG");} public static void main(String [] args) { Short y = 6; int z = 7; go(y); go(z); } } What is the result?
- A.
Short LONG
- B.
SHORT LONG
- C.
Compilation fails.
- D.
An exception is thrown at runtime.
- 9.Which of the following are correct as per MVC architecture
- A.
Two jsp files should interact with each other.
- B.
Every web application should contain only one controller.
- C.
View can directly interact with model.
- D.
A web application can contain 4 layers
- 10.<% int a = 10; %> <%! int a = 20; %> <%! int b = 30; %> The value of b multiplied by a is <%= b * a %>
- A.
The code will not compile
- B.
The value of b multiplied by a is 30
- C.
The value of b multiplied by a is 300
- D.
The value of b multiplied by a is 600
- 11.If i want to use the name of the person across multiple pages then we have to store that person name in ___
- A.
Request
- B.
Session
- C.
Application
- D.
Servletrequest
- 12.Using which object we can reduce the network traffing in JDBC
- A.
Statement
- B.
PreparedStatement
- C.
ResultSet
- D.
CallableStatement
- 13.Using which class object we can call Stored Procedures inJDBC
- A.
Statement
- B.
PreparedStatement
- C.
ResultSet
- D.
CallableStatement
- 14.Which object is responsible for reading confiuguration file in hibernate
- A.
Session
- B.
SessionFactory
- C.
Configuration
- D.
Transaction
- 15.Which of the following is a Legacy class in collections
- A.
HashSet
- B.
ArrayList
- C.
Vector
- D.
TreeSet
- 16.What will be the output of the following JSP page? <% a = 100; %> <% int a = 200; %> <%! int a = 300; %> a = <%= a %>, <%= this.a %>
- A.
A = 200, 100
- B.
A = 300, 100
- C.
A = 100, 200
- D.
a = 200, 300
- 17.Which of the following design patterns is used to separate the task of writing the GUI screens and business logic? Select 1 correct option.
- A.
View Logic
- B.
Front Controller
- C.
Model View Controller
- D.
Business View
- 18.Regarding the processing of a BodyTag handler, in which of the following cases a BodyContent object will be "pushed" into the pageContext? Select 1 correct option.
- A.
If the doStartTag() returns EVAL_BODY_INCLUDE
- B.
If the doStartTag() returns EVAL_BODY_BUFFERED
- C.
If the doStartTag() returns SKIP_BODY
- D.
If the doStartTag() DOES NOT return SKIP_BODY
- 19.Your web application named "FWorks" uses SpecialMath.class. This is an unbundled class and is not contained in any jar file. Where will you keep this class file? Select 1 correct option.
- A.
FWorks/WEB-INF
- B.
FWorks/WEB-INF/classes
- C.
FWorks/WEB-INF/lib/classes
- D.
FWorks/classes
- 20.Identify the implicit objects available to EL expressions.
- A.
RequestScope
- B.
PageScope
- C.
Header
- D.
PageContext
- E.
All the avove
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