Print a carriage return in java on windows

I need to print :q in a new line. I’m using a StringBuffer which prints a new line in this format

StringBuffer sBuffer = new StringBuffer();

sBuffer.append(String.format("Hello"));

sBuffer.append(String.format("\n"));

sBuffer.append(String.format(":q"));

The program works fine in Windows XP. :q will be printed in a new line when the program is executed.

Hello

:q

But in Windows 7, :q is printed in the same line.

Hello:q

The issue here is:

Different operating systems use different line separators.

In Java, \r is always carriage return, and \n is line feed. On Unix, just \n is enough for a newline, whereas many programs on Windows require \r\n. So you will have to modify the program like this to work on Windows 7.

StringBuffer sBuffer = new StringBuffer();

sBuffer.append(String.format("Hello"));

sBuffer.append(String.format("\r\n"));

sBuffer.append(String.format(":q"));

JNLP - Unable to launch application

Whenever I try to load my JNLP file, it is throwing the following exception.

com.sun.deploy.net.FailedDownloadException: Unable to load resource: http://a.b.c.d/MyProgram/MS.jnlp

            at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)

            at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)

            at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)

            at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)

            at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)

            at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)

            at com.sun.javaws.Launcher.updateFinalLaunchDesc(Unknown Source)

            at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)

            at com.sun.javaws.Launcher.launch(Unknown Source)

            at com.sun.javaws.Main.launchApp(Unknown Source)

            at com.sun.javaws.Main.continueInSecureThread(Unknown Source)

            at com.sun.javaws.Main$1.run(Unknown Source)

            at java.lang.Thread.run(Unknown Source)

Solution:

1. Start Java Control Panel (from windows control panel -> java, OR from Java folder)
2. On "General" tab click "Network settings..."
3. Choose "Browser Settings" instead of "Use Proxy server"
4. Click OK and you are done.

Java Code to Replace character '+'

I need to replace the '+' sign in my string with some other string.

Code:

public class ReplaceString
{
            public static void main(String[] args)
            {
                        String st = "+++ My Data contains Plus sign";                       
                        String sData  = st.replaceAll("+", "Hello,");
                        System.out.println(sData);
            }          
}


But while executing it always throws error,

Exception in thread "main" java.util.regex.PatternSyntaxException: Dangling meta character '+' near index 0
+
^


Since '+' is a reserved character in regex, you need to escape it.The solution for this is to include the '+' character within square brackets or as \\+.

So the code looks like this:


public class ReplaceString
{
            public static void main(String[] args)
            {
                        String st = "+ My Data contains Plus sign";                       
                        String sData  = st.replaceAll("[+]", "Hello,");
                        System.out.println(sData);
            }          
}

or

public class ReplaceString
{
            public static void main(String[] args)
            {
                        String st = "+ My Data contains Plus sign";                       
                        String sData  = st.replaceAll("\\+", "Hello,");
                        System.out.println(sData);
            }          
} 

Airports Authority of India - Manager (IT) Paper

Airport Authority of India

Manager – Information Technology

Examination held on 07/10/2012

1.      Parameter passing during function call is done by using _______memory

a.       Stack

b.      Heap

2.      Dynamic memory is allocated to a program using ________ area

a.       Heap

b.      Stack

3.      During function call, return address is stored in ________ area

a.       Heap

b.      Stack

4.      Operating System allows unlimited processes. Its ready queue should be implemented through __________

a.       Stack

b.      Linked List

c.       Heap

5.      Selective-repeat error-recovery protocol of data link layer is useful for _______

a.       Ethernet LAN

b.      WLAN

6.      Architecture of Pentium Microprocessor

a.       CISC

b.      RISC

c.       bit slice

7.      Maximum speed of WLAN

a.       2 Mbps

b.      5 Mbps

c.       54 Mbps

8.      IEEE standard of Ethernet LAN

a.       802.2

b.      802.3

c.       802.11

9.      Thread has its private ________ area

a.       Data

b.      PCB

c.       Stack

d.      Code

10.  Minimum frame size of Ethernet LAN

a.       64 bits

b.      64 bytes

c.       1500 bits

d.      1500 bytes

11.  Unix OS is based on ________ architecture

a.       Hierarchical

b.      Kernel

12.  Protocol of WLAN

a.       CSMA/CD

b.      CSMA/CA

c.       Token Bus

d.      Token Ring

13.  De-Morgan’s law

14.  Universal GATE

a.       NAND

b.      X-OR

15. In which layer of ISO/OSI, generate frames

a.       Network layer

b.      Data Link layer

c.       Transport Layer

16. Which Gate produces the following output

0	0	0
0	1	1
1	0	1
1	1	0

     

     

a.       X-OR

b.      X-NOR

17. Normalization ____________
1. Reduces data redundancy
18. Developer 2000 is ______
1. Front end program of Oracle
2. Backend program of Oracle
3. Front end program of DB2
4. Backend program of DB2

19. Primary key in Oracle should always be
1. Unique and not null
2. Unique
3. Not null
20. Architecture of oracle database
1. Relational
21. An object is
1. Instance of class
2. Instance of method
3. A class itself
22. What causes Internal fragmentation of memory
1. Paging
2. Demand paging
3. segmentation
23. Non maskable interrupt

a.       RST 4.5

b.      Trap

c.       RST 5.5

24. Which is the fastest memory

a.       Primary Memory

b.      Secondary memory

c.       cache memory

25. Access Hard disk and primary memory

a.       DMA

26. In unix operating system ,file access is by

a.       Sequential

b.      indexed

c.       random

27.   Operating system  variable s implemented using
1. Semaphore
28. Communication between two process is done through
1. Shared memory
29. Which of the following instruction is executed in Kernel
1. MOV A B
2. ADD A B
3. SUB A B
4. OUT DX, EAX
30. Output of Java compiler is
1. Byte code
2. Class
31. Time complexity of binary search
32. Time complexity of quick sort
33. Error probability of CRC 16
1. 1
2. 1/(2^16)
34. Using 32 address lines how much memory can be addressed?
1. 4 GB
2. 2 GB
3. 20 Mb
35. Java virtual machine is an
1. Interpreter
2. Compiler
36. Routing is done in which OSI layer?
1. Network

General Knowledge

37.  Goldman award is related to ____

a.       Protection of environment

38.  Chinaman is related to which game

a.      Cricket

b.      Bridge

c.       Tennis

39.  Distance between a degree of longitude on the equator

a.       39 miles

b.      69 miles

40.  The person who received Nobel prize twice for the same subject

a.       Marie curie

b.      Fredrick Sanger

41. How many hours of daylight does the North Pole get on June 21st?
1. 18 hours
2. 12 hours
3. 0 hours
42. Match the following
1. Straight from the heart            Kapil Dev
2. My Autobiography                 Shane Warne
3. Cutting Edge                          Javed Miandad
4. My side                                 David Beckham
43. Which five year plan involved the improvement of weaker section of society?
1. 12th
2. 13th
3. 2nd
4. 3^rd
44. Match the following
1. Ellora                           Rashtrakuta
2. XXX                           Alaudin Khilji
3. YYY                           Pallavas
4. Lord of Vishnu             ZZZ
45. By what name is the river Ganga known in Bangladesh ?
1. Rupanarayan
2. Padma
3. Bhagirathi
4. Nubra

English Questions

Synonyms and antonyms

1.      Exorbitant

2.      Insinuate

3.      Musty

4.      Placate

5.      Devout

6.      Tepid

7.      Curtail