compile error
3.If you forget, Java definitely improves on C++: you get a compile-time error telling you the variable might not have been initialized.
4.In Java, the result of this expression is not a boolean, and the compiler expects a boolean and won’t convert from an int, so it will conveniently give you a compile-time error and catch the problem before you ever try to run the program.
6.If you try to call the wrong method for an object, you’ll get an error message at compile-time.
7.Visual Basic 6.0 and the least squares straight line fit program are used to compile this software for the data of determination of the rate constant of pyruvic acid hydration reaction by NMR,eliminating completely the error brought by manual drawing,avoiding the modification of experimental date as a result of the separation of data input and data processing functions and more reliable results including date and figures can be achieved and printed.
