Re: String comparison using equals() and ==

<sscce>
public class Strings {
    public static void main(String[] args) {
        String a = "hello";
        String b = "hello";
        String b2 = new String("hello");
        String b3 = new String(a);
        String b4 = (Math.random() < 1.0f ? "h" : "") + "ello";
        System.out.println("a = " + a);
        System.out.println("b = " + b);
        System.out.println("b2 = " + b2);
        System.out.println("b3 = " + b3);
        System.out.println("b4 = " + b4);
        System.out.println("a==b = " + (a==b));
        System.out.println("a==b2 = " + (a==b2));
        System.out.println("a==b3 = " + (a==b3));
        System.out.println("a==b4 = " + (a==b4));
    }
}
</sscce>
<output>
a = hello
b = hello
b2 = hello
b3 = hello
b4 = hello
a==b = true
a==b2 = false
a==b3 = false
a==b4 = false
</output>