/* 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
{
	static String[] names = new String[]{"Luke", "Jen", "Other", "OneMore", "Jake"};
	public static void main (String[] args) throws java.lang.Exception
	{
		char c = 'e';
        System.out.println(count(c));
	}
 
	public static int count(char c) {
        int count = 0;
        for (String name : names) {
            if (name.charAt(name.length() - 1) == c) {
                count++;
            }
        }
        return count;
    }
}

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