# Calling Java Constructors

Java constructors are called by using the function named `new()`. If there are several constructors, then again the system tries to find the one that is the best fit, according to the types of the supplied arguments. The result of calling `new()` is an XPath value whose type is denoted by a QName whose local name is the actual Java class (for example `java.sql.Connection` or `java.util.List`) and whose namespace URI is `http://saxon.sf.net/java-type` (conventional prefix `class`). Any '$' characters in the class name are replaced by '-' characters in the QName. The only things that can be done with a wrapped Java Object are to assign it to a variable, to pass it to an extension function, and to convert it to a string, number, or boolean, using the rules given below.

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