public boolean METHOD_1 ( TYPE_1 VAR_1 ) { if ( null == VAR_1 ) return true ; TYPE_2 < TYPE_1 > key = METHOD_2 ( VAR_1 ) ; if ( null == key ) return true ; else return METHOD_3 ( key ) ; } 

public boolean METHOD_1 ( TYPE_1 VAR_1 ) { if ( null == VAR_1 ) return true ; TYPE_2 < TYPE_1 > key = this . METHOD_2 ( VAR_1 ) ; if ( null == key ) return true ; else return this . METHOD_3 ( key ) ; } 
