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home / developersection / interviews / can you access the private method from outside the class?
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Anonymous User
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1 Answers

Anonymous User
Anonymous User 01 May 2015
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You 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.

Example:

A. java

public class A {  

  private void message(){System.out.println("hello java"); }  

} 

Method.java

import java.lang.reflect.Method;  
public class MethodCall{  
public static void main(String[] args)throws Exception{  
  
    Class c = Class.forName("A");  
    Object o= c.newInstance();  
    Method m =c.getDeclaredMethod("message", null);  
    m.setAccessible(true);  
    m.invoke(o, null);  
}  
} 

Output:hello java

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