Download Sams Teach Yourself JBuilder 2 in 21 Days by Don Doherty, Michelle M. Manning, Michelle M. Mannin PDF

By Don Doherty, Michelle M. Manning, Michelle M. Mannin

In exactly 21 days, you should have the entire talents you want to wake up and operating successfully. With this entire instructional, you are going to grasp the fundamentals after which flow directly to the extra complex good points and ideas of Java and JBuilder. grasp all the new and complicated good points that JBuilder 2.x bargains. easy methods to successfully use the most recent instruments and contours of JBuilder, via following useful, real-world examples. Get professional counsel from a number one authority on enforcing JBuilder within the company environment.This booklet is designed for how you study. cross bankruptcy by way of bankruptcy during the warranted, step by step classes, or simply pick out these classes that curiosity you the main.

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4. The division (/) operator drops the remainder of the division and uses only the integral part for the result, and the modulus (%) operator uses only the remainder of the division for its result. String Math How do you add strings together? ”; With the concatenation (+) operator, you can use any strings or character literals for operands. 31318-9 CH02 9/23/98 9:52 AM Page 47 Java Basics 47 Relational Operations All relational operators return a boolean result. The expression formed by the operator and its operands is either true or false.

Attempting to store the wrong type of data in an array will cause a compiler error. For example, this line of code will cause the compiler to complain about type mismatch: float rates[] = { ‘M’, ‘i’, ‘a’, ‘m’, ‘i’ }; An attempt to assign the wrong type at runtime will cause an ArrayStoreException object to be thrown. An exception is an error that occurs at runtime. The Java Exception class is divided into various categories so that when an exception is thrown, you will have some idea of what caused the error.

The boolean values will not evaluate to integers, as they will in other languages; they can represent only the values true or false. If the char character values look a bit odd, it’s because Java supports the two-byte Unicode character standard. However, for purposes of this book, you’ll be using only the ASCII or Latin-1 subset of Unicode characters. Note P2/VB The Unicode character set is 16 bits and includes 34,168 characters. The Unicode subset that represents ASCII characters is \u0020 to \u007E, and for Latin-1 the range is \u0020 to \u00FF.

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