Java.io.ObjectStreamField.isPrimitive() 方法 Java.io.ObjectStreamField.getTypeString() 方法 Java.io.ObjectStreamField.isUnshared() 方法 Java.io.ObjectStreamField.isPrimitive() 方法 package com.codingdict; import java.io.*; import java.util.Calendar; public class ObjectStreamFieldDemo { public static void main(String[] args) { // create a new object stream class for Integers ObjectStreamClass osc = ObjectStreamClass.lookup(Integer.class); // get the field value from Integer class ObjectStreamField field = osc.getField("value"); // check if field is primitive System.out.println("" + field.isPrimitive()); // create a new object stream class for calendar ObjectStreamClass osc2 = ObjectStreamClass.lookup(Calendar.class); // get the field value from Integer class ObjectStreamField field2 = osc2.getField("isSet"); // check if field is primitive System.out.println("" + field2.isPrimitive()); } } Java.io.ObjectStreamField.getTypeString() 方法 Java.io.ObjectStreamField.isUnshared() 方法