无忧之路

摘要： Adapter：class MyAdapter extends BaseAdapter { private List personList; public MyAdapter(List personList) { this.personList = personList; } @Override public int getCount() { return personList.size(); } @Override public Obje... 阅读全文

摘要： private void queryPerson(PersonSQLiteOpenHelper personSQLiteOpenHelper) { SQLiteDatabase sqLiteDatabase = personSQLiteOpenHelper.getReadableDatabase(); Cursor cursor = sqLiteDatabase.query("person", new String[]{"id", "name", "age"}, null, null, null, null, nu 阅读全文

摘要： sout=System.out.println();soutp=System.out.println("");soutv=System.out.println("变量名="+变量);soutm=System.out.println("当前类名.当前方法");psvm=publicstaticvoidmain(String[]args){} 阅读全文

摘要： .quit注意：包含点号 阅读全文