![]() ![]() These errors are reported by the compiler and they prevent the program from executing. Syntax Errors are the errors that occur when we violate the rules of writing the statements of the programming language. Question 5Įxplain the following terms, giving an example of each. Errors are classified into three categories - Syntax Errors, Runtime Errors and Logical Errors. Question 4Įrrors are mistakes in a program that prevents it from its normal working. What are delimiters? Which is the default delimiter used in the Scanner class?Ī delimiter is a sequence of one or more characters that separates two tokens. The different next methods provided by Scanner class are next(), nextShort(), nextInt(), nextLong(), nextFloat(), nextDouble(), nextLine(), next().charAt(0). The System class also provides the special value System.in, which is an InputStream that provides methods for reading input from the keyboard. Scanner class provides various next methods to read these tokens from the stream. The input received by Scanner class is broken into tokens using a delimiter pattern. We connect our Scanner class to this stream while creating its object. The data entered by the user through the keyboard is provided to our Java program with the help of standard input stream that is specified as System.in in the program. UtilityLibrary.* Question 2Įxplain data input technique in a program using the Scanner class. What do you need to do to make the following? Suppose you want to use the class M圜lass of the package MyPackage.UtilityLibrary in a program you are writing. The Scanner class can be used to read input from. The program produces an incorrect result. ![]()
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