public TYPE_1 METHOD_1 ( ) { if ( ( VAR_1 ) != null ) { if ( ! ( METHOD_2 ( ) ) ) { throw new TYPE_2 ( STRING_1 ) ; } } return VAR_1 ; } 

public TYPE_1 METHOD_1 ( ) { if ( ( VAR_1 ) == null ) { if ( ! ( METHOD_2 ( ) ) ) { throw new TYPE_2 ( STRING_1 ) ; } } TYPE_1 result = VAR_1 ; VAR_1 = null ; return result ; } 
