question: public void removeColumnModelByName ( String columnName ) { if ( TextUtils . isEmpty ( columnName ) ) { return ; } int indexToRemove = - 1 ; for ( int i = 0 ; i < columnModels . size ( ) ; i ++ ) { ColumnModel columnModel = columnModels . get ( i ) ; if ( columnName . equalsIgnoreCase ( columnModel . getColumnName ( ) ) ) { indexToRemove = i ; break ; } } if ( indexToRemove != - 1 ) { columnModels . remove ( indexToRemove ) ; } }
target:  Remove a column model by the specified column name.