《jdk8u源码分析》14.SetJavaLauncherProp

src/share/bin/java.c::SetJavaLauncherProp

/*
 * JVM would like to know if it's created by a standard Sun launcher, or by
 * user native application, the following property indicates the former.
 */
void
SetJavaLauncherProp() {
  //添加可选参数：-Dsun.java.launcher=SUN_STANDARD
  AddOption("-Dsun.java.launcher=SUN_STANDARD", NULL);
}