/* 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
	{
		Scanner sc = new Scanner(System.in);
		String input = sc.nextLine(); 
		System.out.printf("\"Yes\" == input: %b\n", "Yes" == input);
		System.out.printf("\"Yes\".equals(input): %b\n", "Yes".equals(input));
		System.out.printf("\"Yes\" == input.intern(): %b\n", "Yes" == input.intern());
	}
}

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

WWVz

Yes