public boolean METHOD_1 ( ) throws TYPE_1 { if ( ! ( VAR_1 ) ) { METHOD_2 ( ) ; } return ! ( VAR_2 . isEmpty ( ) ) ; } 

public boolean METHOD_1 ( ) throws TYPE_1 { if ( ! ( VAR_1 ) ) { METHOD_2 ( ) ; VAR_1 = true ; } return ! ( VAR_2 . isEmpty ( ) ) ; } 
