Core Java - Output of Java Program

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Output of Java Program

What is the output of the following program?

class A
{
public static void main(String[] s)
{
System.out.println(s[1] + s[2] + s[3]);
}
}

java A 12345

Options
(i) 1
(ii) 12
(iii)1234
(iv)234
(v) Compilation Error

Total Answers and Comments: 22

Last Update: November 02, 2009 Asked by: khadarzone

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Best Rated Answer

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Submitted by: khadarzone

I think the output will be (iv)234

since s[0] = 1, s[1] = 2, s[3]=3, s[4]=4, s[5] = 5,
we are printing s[1] + s[2] + s[3] , which means 234.

Please correct me if i am wrong

Above answer was rated as good by the following members:
getravi2k, julian_1982, er.mukesh_208, sreekesh_anand, shouvanik1979, Nishchal1982Jain, bino75, sandeep549, sujithkthomas

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April 14, 2008 07:28:57

abuthahir.d

Member Since: January 2008 Contribution: 9

RE: Output of Java Program

array Index out of bound exception

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April 14, 2008 07:29:33

abuthahir.d

Member Since: January 2008 Contribution: 9

RE: Output of Java Program

ArrayIndexOutOfBoundException will occure since the length of array s will be 0

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April 14, 2008 10:32:43

khadarzone

Member Since: September 2007 Contribution: 17

RE: Output of Java Program

I think the output will be (iv)234

since s[0] 1 s[1] 2 s[3] 3 s[4] 4 s[5] 5
we are printing s[1] + s[2] + s[3] which means 234.

Please correct me if i am wrong

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April 14, 2008 10:41:44

abuthahir.d

Member Since: January 2008 Contribution: 9

RE: Output of Java Program

Khadar i tried this code . it gives that exception

for the foll reason :
when u give a CLA(command line argument) it will be inserted in the index 0 of the array and then will proceed to 1 2 ....

so as per the question "12345" will be at s[0] . and length of that aray will be 1when u try to access s[1] we are trying for 2nd element which is unavailable.....

Hope this answers u :-)

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June 09, 2008 11:50:23

vegetto

Member Since: June 2008 Contribution: 10

RE: Output of Java Program

hi there
the answer for this question of yours will be option (d) because you have not entered any input after 12345 which is only stored in s[0] corresponding to it's string equivalent but as far as s[2] and s[3] are concerned then you have not submitted any input so it will lead to runtime error. supply with inputs after giving space after every input 3 times and hit enter and you will get the result.byeeee

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June 15, 2008 00:28:37

interviewprep9

Member Since: June 2008 Contribution: 10

RE: Output of Java Program

Output is v --> Compilation Error. Exception: ArrayIndexOutOfBounds

If we give as java A 1 2 3 4 5 then the output is 234

Thx.

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June 30, 2008 05:02:55

gvkirankumar05

Member Since: June 2008 Contribution: 1