string
can't input value for string?
System.out.println(…); Does print a string to stdout if you want to assign student.toString() to stringthing, then do : stringthing = student.toString(); And after you can do : System.out.println(stringthing);
How can I check if a string contains two other strings [closed]
You shouldn’t be using the exception message to determine what has gone wrong. Instead catch the relevant exception type and deal with it in there. For example you likely wnat to use SqlException: try { ConnectToDatabase(); } catch(SqlException ex) { //Now we know a SQL exception has occurred, perhaps check the Number property? if(ex.Number == … Read more
How do I rename a file with a string using the rename() function (c++)? [closed]
It’s hard to say, but have you tried that: rename(“tmp.png”, Filename.c_str()); If Filename is a std::string std::string::c_str() converts it to a const char*, which is maybe what needs your rename function as second argument? If you are trying to use standard rename function, this may solve your problem.
String termination C/C++ char = 0
We are only assigning element at index ‘3’ to 0, but why do all characters after that index are ignored? Can someone please explain this behavior? The convention with a zero-terminated string is that the 0 byte is what indicates the end of the string. So when printf() encounters the zero-byte at position 3, it … Read more
How to split strings based on "/n" in Java [closed]
If you just want to split by new line, it is as simple as : yourstring.split(“\n”):
implement length() of string without using Built-in functions [closed]
a) You can serialize the string and examine the bytes.(although some other class will call a String’s function.) b) you can sent it to a Writer subclass where you implement the write(char[], int, int) (although, again, some other class will call a String’s function.) c) you can try to cheat and use reflexion to pull … Read more
how to change to c code while using for loop and array
Let’s start with the C++ code because it contains a bug. string element[2]; // Array with 2 string cout<<“Enter amount data: “; cin>>num; // Read a number … cout<<“Elements are: “; for(b=0;b<num;b++){ // Use the number as limit cout<<” “<<element[b]; // Print all string from 0 to number-1 } So if I give the program … Read more
How to create string of strings in c++
A string of strings is different than a table or matrix of strings. String of Strings Let a string be one or more sequential characters, such as “first”. A string may contain another string or commonly known as a substring. The string “theater” contains at least the strings “the”, “eat”, and “ate”. Matrix of Strings … Read more
Find a match pattern of any digit and space with any character in a string and replace with | in PHP [closed]
$str = “COVId 1234 | SARS 4567 | EBOLA 2332”; preg_replace(‘([a-zA-Z]+ \d+ )’, ‘$0 |’, $str); echo $str; // COVId 1234 | SARS 4567 | EBOLA 2332 [a-ZA-Z]+ matches all alphabetic chars. is just to match a space. \d+ matches digits. Note the plural.