How to call private method from another class in java

* You can call the private method from outside the class by using Java Reflection API.

* Java Reflection is a process of examining or modifying the run time behavior of a class at run time.

* By the help of java.lang.Class class and java.lang.reflect.Method class, we can call a private method from any other class.

Method of Class class :

public Method getDeclaredMethod(String name,Class[] parameterTypes)
throws NoSuchMethodException,SecurityException

Returns a Method object that reflects the specified declared method of the class or interface represented by this Class object.


Methods of Method class

 public void setAccessible(boolean status) throws SecurityException 

* Sets the accessibility of the method true or false.

public Object invoke(Object method, Object... args) throws IllegalAccessException, IllegalArgumentException, InvocationTargetException 

*Used to invoke the method.

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