Java2007-09-12
String Concatenation in Java
In 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
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Java2007-09-12
String Class Constructors in Java
The String class supports several constructors. To create an empty String, you call the default constructor. For example,
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Disadvantages of using Native methods in Java
Native 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
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Sample using loadLibrary() to call Native methods in Java
Although 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
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strictfp in Java 2
Java 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
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instanceof sample program in Java
Sometimes, 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
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Java2007-09-10
Transient vs Volatile modifiers in Java
Java defines two interesting type modifiers: transient and volatile. These modifiers are used to handle somewhat specialized situations.
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Reading from a file and writing to a file using Java program
Java 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
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Using PrintWriter in Java
Although 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
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Error applying transforms. Verify that the specified transform paths are valid.
You 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 tutorialC++2007-09-09
Using switch Statements in C++
if and if/else statements can become quite confusing when nested too deeply, and C++ offers an alternative. Unlike if, which evaluates one value, switch statements allow you to bra
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Nested Loops in C++
Loops may be nested, with one loop sitting in the body of another. The inner loop will be executed in full for every execution of the outer loop. This c++ program illustrates writi
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