Painful menstrual periods are periods in which a woman has crampy lower abdominal pain, sharp or aching pain that comes and goes, or possibly back pain. Some pain during your period is normal, but a large amount of pain is not. The medical term for painful menstrual periods is dysmenorrhea.
When an exception occurs, we say that the exception is thrown. For example, we say that Integer.parseInt(str) throws an exception of type NumberFormatException when the value of str is illegal. When an exception is thrown, it is possible to catch the exception and prevent it from crashing the program. This is done with a try..catch statement.
You could say that parsing a string of characters is analyzing this string to find tokens, or items and then create a structure from the result. In your example, calling Integer.parseInt on a string is parsing this string to find an integer. So, if you have: And then you invoke: You're telling java to analyze the 123 string and find an integer there. Other example: One of the actions the java compiler does, when it compiles your source code is to parse your .java file and create tokens that match the java grammar.