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December 15, 2021 11:25
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File handling and Exception handling in julia
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Q1.What is the function of chomp()? | |
ans: This function is use to remove the newline included while recieving input from the user. | |
Q2.Is there a finally block in julia? | |
ans: Yes there is a finally block in julia just like other languages. | |
Q3.To write a file in what mode does the file has to be opened? | |
ans: It can we open many ways : append mode,write mode,read write mode etc. | |
Q4.What does the readline function do? | |
ans: The readline function read the file line by line. |
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Q1.what does a try block do? | |
a) execute an expression | |
b) catch exception | |
c) check for exception | |
d) none of the above | |
ans: c) | |
Q2. | |
open("file_name.txt") do ft | |
println(read(ft,String)) | |
end | |
What will be return by the read function in the above statements: | |
a) all the content | |
b) a string containing all the content | |
c) one line of the file | |
d) none of the above | |
ans: b) | |
Q3. try | |
println(2/0) | |
catch err | |
println("Err") | |
end | |
In the above statement is the exception handle or not. | |
a) yes | |
b) No | |
c) Undefined | |
ans: b) | |
Q4. What will the output of this statements: | |
open("file_name.txt","w") do ft | |
write(ft,"The kraken\n") | |
write(ft,"Gomu Gomu no\n") | |
write(ft,"peira fururu\n") | |
end | |
open("file_name.txt") do ft | |
str=read(ft,String) | |
println(str[2:8]) | |
end | |
a) The kraken | |
b) mu Gomu | |
c) he Krak | |
d) None of the above |
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