javolution37.javolution

Class Javolution

java.lang.Object

javolution37.javolution.Javolution

public class Javolution
extends java.lang.Object

This class contains the library main(java.lang.String[]) method for versionning, self-tests, and performance analysis.

It is also the base class for the library benchmarks and self-tests.

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	VERSION Holds the version information.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	endTime(int iterations) Ends measuring time and display the execution time per iteration.
static void	main(java.lang.String[] args) The library main(java.lang.String[]) method.
static void	print(java.lang.Object obj) Prints an object to System.out (no line termination).
static void	println(java.lang.Object obj) Prints an object to System.out and then terminates the line.
static void	setOutputStream(java.io.PrintStream out) Sets the output stream.
static void	startTime() Runs garbage collector then starts measuring time.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

VERSION

public static final java.lang.String VERSION

Holds the version information.

See Also:

Constant Field Values

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

The library main(java.lang.String[]) method. The archive javolution.jar is auto-executable.

    java -jar javolution.jar version <i>(show version information)</i>
    java -jar javolution.jar test <i>(perform self-tests)</i>
    java -jar javolution.jar perf <i>(run benchmark)</i>
 

Parameters:

args - the option arguments.

Throws:

java.lang.Exception - if a problem occurs.

println

public static void println(java.lang.Object obj)

Prints an object to System.out and then terminates the line.

Parameters:

obj - the object to be displayed.

print

public static void print(java.lang.Object obj)

Prints an object to System.out (no line termination).

Parameters:

obj - the object to be displayed.

startTime

public static void startTime()

Runs garbage collector then starts measuring time.

setOutputStream

public static void setOutputStream(java.io.PrintStream out)

Sets the output stream.

Parameters:

out - the print stream or null to disable output.

endTime

public static java.lang.String endTime(int iterations)

Ends measuring time and display the execution time per iteration.

Parameters:

iterations - the number iterations performed since startTime().