Fixed the failed compilation.
@@ -34,7 +34,7 @@ public class AssertionUnitTest {
"heading",
() -> assertEquals(4, 2 * 2, "4 is 2 times 2"),
() -> assertEquals("java", "JAVA".toLowerCase()),
- () -> assertEquals(null, null, "null is equal to null")
+ () -> assertEquals((String) null, (String) null, "null is equal to null")
);
}
}
