Forwarded from Computer Knowledge in Hindi (Divyanshu)
This media is not supported in your browser
VIEW IN TELEGRAM
Lyf of programmer🥲
✍✍......🍃🍃🍃....✍✍
Q: A unit of data storage that equals 2 to the 70th power is called -
Q: A unit of data storage that equals 2 to the 70th power is called -
Anonymous Quiz
29%
1) Zebibyte
38%
2) Yottabite
22%
3) Yobibite
10%
4) None of the above
✍✍......🍃🍃🍃......✍✍
Q. What is HTTP 404?
Q. What is HTTP 404?
Anonymous Quiz
48%
1) An error message indicating server not found
23%
2) error message indicating moved permanently
17%
3) An error message indicating forbidden
12%
4) An error message indicating server found
✍✍......🍃🍃🍃......✍✍
Java programming
Input output stream.
Stream :- Continues flow of bytes.
2 types of stream
> Character Stream :- To read and write text files.
> Byte stream:- To read and Write any kind of files.
@Compu
Java programming
Input output stream.
Stream :- Continues flow of bytes.
2 types of stream
> Character Stream :- To read and write text files.
> Byte stream:- To read and Write any kind of files.
@Compu
✍✍......🍃🍃🍃......✍✍
1. Number of primitive data types in Java are?
1. Number of primitive data types in Java are?
Anonymous Quiz
35%
6
28%
7
31%
8
5%
9
✍✍......🍃🍃🍃......✍✍
2. What is the size of float and double in java?
2. What is the size of float and double in java?
Anonymous Quiz
55%
32 and 64
23%
32 and 32
16%
64 and 64
5%
64 and 32
✍✍......🍃🍃🍃......✍✍
3. Automatic type conversion is possible in which of the possible cases?
3. Automatic type conversion is possible in which of the possible cases?
Anonymous Quiz
34%
Byte to int
33%
Int to long
21%
Long to int
12%
Short to int
✍✍......🍃🍃🍃......✍✍
4. Find the output of the following code.
public static void main (String []args]) int Integer = 24; char String = ‘I’; System.out.print(Integer); System.out.print(String);
4. Find the output of the following code.
public static void main (String []args]) int Integer = 24; char String = ‘I’; System.out.print(Integer); System.out.print(String);
Anonymous Quiz
26%
Compile error
33%
Throws exception
15%
I
26%
24 I
✍✍......🍃🍃🍃......✍✍✍
Q: Select the valid statement.
Q: Select the valid statement.
Anonymous Quiz
17%
char[] ch = new char(5)
47%
char[] ch = new char[5]
29%
char[] ch = new char()
8%
char[] ch = new char[]
✍✍......🍃🍃🍃......✍✍
Q: Select the valid statement to declare and initialize an array.
Q: Select the valid statement to declare and initialize an array.
Anonymous Quiz
16%
int[] A = {}
57%
int[] A = {1, 2, 3}
21%
int[] A = (1, 2, 3)
6%
int[][] A = {1,2,3}
✍✍......🍃🍃🍃......✍✍
Q: Arrays in java are-
Q: Arrays in java are-
Anonymous Quiz
24%
Object references
30%
objects
43%
Primitive data type
3%
None
✍✍......🍃🍃🍃......✍✍
Q: When is the object created with new keyword?
Q: When is the object created with new keyword?
Anonymous Quiz
29%
At run time
35%
At compile time
32%
Depends on the code
4%
None
✍✍......🍃🍃🍃......✍✍
Q: Identify the corrected definition of a package.
Q: Identify the corrected definition of a package.
Anonymous Quiz
18%
A package is a collection of editing tools
24%
A package is a collection of classes
47%
A package is a collection of classes and interfaces
10%
A package is a collection of interfaces
✍✍ ......🍃🍃🍃......✍✍
Q: Identify the keyword among the following that makes a variable belong to a class,rather than being defined for each instance of the class.
Q: Identify the keyword among the following that makes a variable belong to a class,rather than being defined for each instance of the class.
Anonymous Quiz
13%
final
48%
static
25%
volatile
14%
abstract
✍🏻✍🏻......🍃🍃🍃......✍🏻✍🏻
Inheritance
Is use for
To add features
To replace features
To reuse features
Join us @Compu
Inheritance
Is use for
To add features
To replace features
To reuse features
Join us @Compu
✍🏻✍🏻......🍃🍃🍃......✍🏻✍🏻
Rest API Response Codes
Here are some sample Response Codes which we will normally see while performing REST API testing over POSTMAN or over any REST API client.
#1) 100 Series
These are temporary Responses
100 Continue
101 Switching Protocols
102 Processing
#2) 200 Series
The client accepts the Request, being processed successfully at the server.
200 – OK
201 – Created
202 – Accepted
203 – Non-Authoritative Information
204 – No Content
205 – Reset Content
206 – Partial Content
207 – Multi-Status
208 – Already Reported
226 – IM Used
#3) 300 Series
Most of the codes related to this series are for URL Redirection.
300 – Multiple Choices
301 – Moved Permanently
302 – Found
303 – Check Other
304 – Not Modified
305 – Use Proxy
306 – Switch Proxy
307 – Temporary Redirect
308 – Permanent Redirect
#4) 400 Series
These are specific to client-side error.
400 – Bad Request
401 – Unauthorised
402 – Payment Required
403 – Forbidden
404 – Not Found
405 – Method Not Allowed
406 – Not Acceptable
407 – Proxy Authentication Required
408 – Request Timeout
409 – Conflict
410 – Gone
411 – Length Required
412 – Precondition Failed
413 – Payload Too Large
414 – URI Too Long
415 – Unsupported Media Type
416 – Range Not Satisfiable
417 – Expectation Failed
418 – I’m a teapot
421 – Misdirected Request
422 – Unprocessable Entity
423 – Locked
424 – Failed Dependency
426 – Upgrade Required
428 – Precondition Required
429 – Too Many Requests
431 – Request Header Fields Too Large
451 – Unavailable For Legal Reasons
#5) 500 Series
These are specific to the server-side error.
500 – Internal Server Error
501 – Not Implemented
502 – Bad Gateway
503 – Service Unavailable
504 – Gateway Timeout
505 – HTTP Version Not Supported
506 – Variant Also Negotiates
507 – Insufficient Storage
508 – Loop Detected
510 – Not Extended
511 – Network Authentication Required
Join us @Compu
Rest API Response Codes
Here are some sample Response Codes which we will normally see while performing REST API testing over POSTMAN or over any REST API client.
#1) 100 Series
These are temporary Responses
100 Continue
101 Switching Protocols
102 Processing
#2) 200 Series
The client accepts the Request, being processed successfully at the server.
200 – OK
201 – Created
202 – Accepted
203 – Non-Authoritative Information
204 – No Content
205 – Reset Content
206 – Partial Content
207 – Multi-Status
208 – Already Reported
226 – IM Used
#3) 300 Series
Most of the codes related to this series are for URL Redirection.
300 – Multiple Choices
301 – Moved Permanently
302 – Found
303 – Check Other
304 – Not Modified
305 – Use Proxy
306 – Switch Proxy
307 – Temporary Redirect
308 – Permanent Redirect
#4) 400 Series
These are specific to client-side error.
400 – Bad Request
401 – Unauthorised
402 – Payment Required
403 – Forbidden
404 – Not Found
405 – Method Not Allowed
406 – Not Acceptable
407 – Proxy Authentication Required
408 – Request Timeout
409 – Conflict
410 – Gone
411 – Length Required
412 – Precondition Failed
413 – Payload Too Large
414 – URI Too Long
415 – Unsupported Media Type
416 – Range Not Satisfiable
417 – Expectation Failed
418 – I’m a teapot
421 – Misdirected Request
422 – Unprocessable Entity
423 – Locked
424 – Failed Dependency
426 – Upgrade Required
428 – Precondition Required
429 – Too Many Requests
431 – Request Header Fields Too Large
451 – Unavailable For Legal Reasons
#5) 500 Series
These are specific to the server-side error.
500 – Internal Server Error
501 – Not Implemented
502 – Bad Gateway
503 – Service Unavailable
504 – Gateway Timeout
505 – HTTP Version Not Supported
506 – Variant Also Negotiates
507 – Insufficient Storage
508 – Loop Detected
510 – Not Extended
511 – Network Authentication Required
Join us @Compu