Click here to watch in Youtube :
https://www.youtube.com/watch?v=qJPoIe1ldJs&list=UUhwKlOVR041tngjerWxVccw
Student.java
public class Student { private String firstName = "Peter"; private String lastName = "J"; private void showStudentFullName() { System.out.println(firstName + " " + lastName); } }ReflectionDemo.java
import java.lang.reflect.Method; /** * How to call private method from another class in java? * * We can call the private method from outside the class by changing * the runtime behaviour of the class. * * By the help of "java.lang.Class" class and * "java.lang.reflect.Method" class, we can call private method from * any other class. * */ public class ReflectionDemo { public static void main(String[] args) { try { Class<?> classObj = Class.forName("Student"); Student studentObj = (Student) classObj.newInstance(); Method method = classObj.getDeclaredMethod("showStudentFullName", null); method.setAccessible(true); /* * Parameters: * * obj - the object the underlying method is invoked from * * args - the arguments used for the method call * * Returns: the result of dispatching the method * represented by this object on obj with parameters args * */ method.invoke(studentObj, null); } catch (Exception e) { e.printStackTrace(); } } }Output
Peter JClick the below link to download the code:
https://sites.google.com/site/ramj2eev1/home/javabasics/ReflectionDemo_Call_Private_method.zip?attredirects=0&d=1
Github Link:
https://github.com/ramram43210/Java/tree/master/BasicJava/ReflectionDemo_Call_Private_method
Bitbucket Link:
https://bitbucket.org/ramram43210/java/src/6c95796df09abfb09587d07613e2e6d5f9ad024e/BasicJava/ReflectionDemo_Call_Private_method/?at=master
See also:
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