Use annotation test in idea

Problem specification ：

 

Solution ：

1.   Installing a plug-in （Junit）
2.   restart IDE

 

matters needing attention ：

• Don't be the same as the class name , That is, the class name cannot be Test 

• Add dependency （ take JUnit4 Add to classpath ）

•   see lib Folder , Found several more files （ success ！）

 

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The test link ： Don't look

@Test
public void test() throws ParseException {
    SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    Date date = simpleDateFormat.parse("2022-07-28 17:43:21");
    String time = simpleDateFormat.format(date);
    System.out.println(time);
}

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