摘要:
1.Integer转换成int的方法 Integer i = new Integer(10); int k = i.intValue(); 即Integer.intValue(); 2.int转换成Integer int i = 10; Integer it = new Integer(i); 3. 阅读全文
摘要:
Collections.sort(list, new Comparator<Student>() { @Override public int compare(Student o1, Student o2) { int result = 0; if (o1.getExta().equals("200 阅读全文