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 private class OnItemLongClickListener implements AdapterView.OnItemLongClickListener {
 
        public boolean onItemLongClick(AdapterView<?> parent, View view , int position, long id) {
            //ダイアログ準備
            AlertDialog.Builder builder = new AlertDialog.Builder(Tab_01.this);
            builder.setTitle("削除しますか？");
            builder.setPositiveButton("はい", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    db.delete(DB1.TABLE_NAME, "id = " + id, null);
                }
            });
            builder.setNegativeButton("いいえ",null);
            builder.setCancelable(true);
            builder.show();
            return true;
        }
    }

Main.java:1: error: modifier private not allowed here
 private class OnItemLongClickListener implements AdapterView.OnItemLongClickListener {
         ^
Main.java:1: error: package AdapterView does not exist
 private class OnItemLongClickListener implements AdapterView.OnItemLongClickListener {
                                                             ^
Main.java:3: error: cannot find symbol
        public boolean onItemLongClick(AdapterView<?> parent, View view , int position, long id) {
                                       ^
  symbol:   class AdapterView
  location: class OnItemLongClickListener
Main.java:3: error: cannot find symbol
        public boolean onItemLongClick(AdapterView<?> parent, View view , int position, long id) {
                                                              ^
  symbol:   class View
  location: class OnItemLongClickListener
Main.java:5: error: package AlertDialog does not exist
            AlertDialog.Builder builder = new AlertDialog.Builder(Tab_01.this);
                       ^
Main.java:5: error: package AlertDialog does not exist
            AlertDialog.Builder builder = new AlertDialog.Builder(Tab_01.this);
                                                         ^
Main.java:5: error: cannot find symbol
            AlertDialog.Builder builder = new AlertDialog.Builder(Tab_01.this);
                                                                  ^
  symbol:   class Tab_01
  location: class OnItemLongClickListener
Main.java:7: error: package DialogInterface does not exist
            builder.setPositiveButton("??", new DialogInterface.OnClickListener() {
                                                               ^
Main.java:9: error: cannot find symbol
                public void onClick(DialogInterface dialog, int which) {
                                    ^
  symbol: class DialogInterface
Main.java:8: error: method does not override or implement a method from a supertype
                @Override
                ^
Main.java:10: error: cannot find symbol
                    db.delete(DB1.TABLE_NAME, "id = " + id, null);
                              ^
  symbol: variable DB1
Main.java:10: error: cannot find symbol
                    db.delete(DB1.TABLE_NAME, "id = " + id, null);
                    ^
  symbol: variable db
12 errors

Standard output is empty