Length Sintaxis in Java

What is the sintaxis for the function lenght in Java, could you pls provide an example. What I really need is to determine how many characters are in variable.Tks in advance
maersksscAsked:
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nesnemisCommented:
Hi maerskssc,

on arrays it si:
int intArray[] = new int[8];
intArray.length;        // this returns the number of array-elements

on a string it is:
String s = "test";
s.length();         // this return 4 which is the length of the string

nesnemis
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petmagdyCommented:
Hi maerskssc,

import java.lang.reflection;

do this function

public void displayClassFieldName(Class theClass)
{
    Field[] fields = theClass.getDeclaredFields();
    for(int i = 0; i < fields.length ; i++ )
    {
      String fieldName = fields[i].getName();
      System.out.println(fieldName.length());
    }

}

call like this:
displayClassFieldName(myObject.getClass())


Cheers!
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