gistfile1.txt

public class Test {
    public static void main(String... args) {
        String x = "abc";
        String y = "def";
        
        String xy = x + y;
        String xyInterned = xy.intern();
        System.out.println(xyInterned == xy);

        // With this line here, the output is true, true
        // which shows that the literal here is only taken
        // from the string pool at the point of execution.
        // If this line is moved to before the xy.intern()
        // call, the result is false, false
        String abcdef = "abcdef";
        System.out.println(abcdef == xy);
    }
}