reflexive.java

来自「java中的一些难题」· Java 代码 · 共 13 行

public class Reflexive {
    public static void main(String[] args) throws Exception {
        /*
         * If you can come up with a primitive type and value
         * that causes this program to print "false", then
         * you have proven that the == operator is not reflexive.
         */
        <typeX> x = <valueX>;

        System.out.println(x == x);
    }
}