public TYPE_1 METHOD_1 ( ) { if ( ! ( VAR_1 . METHOD_2 ( ) ) ) { return VAR_1 . METHOD_3 ( ) ; } else { throw new TYPE_2 ( ) ; } } 

public TYPE_1 METHOD_1 ( ) { if ( ! ( VAR_1 . isEmpty ( ) ) ) { return VAR_1 . remove ( ( ( VAR_1 . size ( ) ) - 1 ) ) ; } else { throw new TYPE_2 ( ) ; } } 
