public class CommonUtil extends java.lang.Object
三维模块的工具集。
CommonUtil()
static void
checkArgument(java.lang.Object param, java.lang.String paramName)
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
public CommonUtil()
public static void checkArgument(java.lang.Object param, java.lang.String paramName)
检查参数是否为空。参数为空的时引发参数不能为空异常。
param
paramName
java.lang.IllegalArgumentException