public final class Constants extends java.lang.Object
公用的常量类。
static double
DEFAULT_AXIS
static java.lang.String
UTF8
Constants()
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public static final java.lang.String UTF8
字符串编码UTF-8常量。
public static final double DEFAULT_AXIS
地球的赤道半径常量值,值为6378137。
public Constants()