Understanding WeakMap with not interned Strings

Main.java

import java.util.WeakHashMap;
import java.lang.ref.WeakReference;

class Main {

  public static void main(String[] args) {
		WeakHashMap map = new WeakHashMap<String, Integer>();
		char[] arr = {'x'};
		String x = new String(arr);
		String x2 = new String(arr);
		boolean areEquals = x.equals(x2);
		System.out.println("Not interned Strings equals? " 
			+ areEquals);
		boolean sameRef = x == x2;
		System.out.println("Not interned Strings ==? " 
			+ sameRef);
		put(map);
		gc();
		get(map);
  }
  
  // A method that sets a value to our map. The value is a not interned String
	static void put(WeakHashMap map) {
		char[] arr = {'x'};
		map.put(new String(arr), 5);
	}

  // A method that prints what our map holds right now
	static void get(WeakHashMap map) {
    System.out.println(map.entrySet());
	}

  // A method that guaranties that gc runs, nice!
  public static void gc() {
    Object obj = new Object();
    WeakReference ref = new WeakReference<Object>(obj);
    obj = null;
    while(ref.get() != null) {
      System.gc();
    }
  }
}