JavaSE8 basic Class get and set static private fields

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Os:windows7 x64
Jdk:jdk-8u131-windows-x64
Ide:eclipse Oxygen Release (4.7.0)

Code for the parsed class:

Package blog.jizuiku2;/** * * * @author Jizuiku * @version V17.10.02 */public class Person {//member variable public int AGE;PRI  Vate string password;protected string name;    int score;public static int agestatic=13;  private static string passwordstatic= "Hello World";p rotected static string namestatic;  static int scorestatic; Construction method Public Person (int.) {System.out.println ("public Gz:int");} public person (int age,int score) {System.out.println ("public Gz:int,int");} Private person () {System.out.println ("Private GZ:");}  Protected person (String name) {System.out.println ("protected gz:string");} person (int age,string name) {this.age=age;this.name=name; SYSTEM.OUT.PRINTLN ("Default gz:int,string");} Member method public void SayHello (String name) {}private int SayHello () {return 1;}  protected String SayHello (int age) {return "";} Voidsayhello (int age,string name) {} public void Sayhellostatic (String name) {}private int sayhellostatic () {return 1;} protected String sayhellostatic (int aGE) {return "";}  voidsayhellostatic (int age,string name) {} @Overridepublic String toString () {return ' person [age= ' + Age + ', password= ' + Password + ", name=" + name + ", score=" + score + "]";}}

Demo class:

Package Blog.jizuiku2;import java.lang.reflect.field;/** * Class  *  * @author Jizuiku * @version V17.10.02 */ public class Classgetstaticfieldsdemo {public static void main (string[] args) throws Exception {String className = "BLOG.J Izuiku2. Person "; Class C = class.forname (className);//Get private static field Agestaticfield F = C.getdeclaredfield ("passwordstatic"); F.setaccessible (TRUE);//output private static field value System.out.println (F.get (c));//Change the value of the private static field F.set (C, "Nihao"); System.out.println (F.get (c));}}

Results:

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JavaSE8 basic Class get and set static private fields