THE TUTORIAL LIBRARY
You can concatenate two strings using concat(), shown here. The replace() method replaces all occurrences of one character in the invoking string with another character. The trim()
Read tutorialWhen Java converts data into its string representation during concatenation, it does so by calling one of the overloaded versions of the string conversion method valueOf() defined
Read tutorialIn general, Java does not allow operators to be applied to String objects. The one exception to this rule is the + operator, which concatenates two strings, producing a String obje
Read tutorialThe String class supports several constructors. To create an empty String, you call the default constructor. For example,
Read tutorialNative methods seem to offer great promise, because they enable you to gain access to your existing base of library routines, and they offer the possibility of faster run-time exec
Read tutorialAlthough it is rare, occasionally, you may want to call a subroutine that is written in a language other than Java. Typically, such a subroutine exists as executable code for the C
Read tutorialJava 2 adds a new keyword to the Java language, called strictfp. With the creation of Java 2, the floating point computation model was relaxed slightly to make certain floating poi
Read tutorialSometimes, knowing the type of an object during run time is useful. For example, you might have one thread of execution that generates various types of objects, and another thread
Read tutorialJava defines two interesting type modifiers: transient and volatile. These modifiers are used to handle somewhat specialized situations.
Read tutorialJava provides a number of classes and methods that allow you to read and write files. In Java, all files are byte-oriented, and Java provides methods to read and write bytes from a
Read tutorialAlthough using System.out to write to the console is still permissible under Java, its use is recommended mostly for debugging purposes or for sample programs, such as those found
Read tutorialYou are probably attempting to install the Java 2 Runtime Environment, Standard Edition (JRE) or the JDK 1.4.xx version in your Windows server. But alas, a message box with the fol
Read tutorialOne example today. A better developer tomorrow.