package com.baeldung; import org.junit.gen5.api.Test; import static org.junit.gen5.api.Assertions.assertAll; import static org.junit.gen5.api.Assertions.assertEquals; import static org.junit.gen5.api.Assertions.assertTrue; class FirstTest { @Test void lambdaExpressions() { String string = ""; assertTrue(() -> string.isEmpty(), "String should be empty"); } @Test void groupAssertions() { int[] numbers = {0,1,2,3,4}; assertAll("numbers", () -> { assertEquals(numbers[0], 1); assertEquals(numbers[3], 3); assertEquals(numbers[4], 1); }); } }