/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Parent<String> p =new Child<String>();
		p.m("1");
	}
}
class Parent <T>{
	void m(T t){
 
	}
} 
class Child<T extends CharSequence> extends Parent<T>{
	void m(T t){
 
	}
} 

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