public void add ( TYPE_1 x ) { ( size ) ++ ; set ( ( ( size ) - 1 ) , x ) ; METHOD_1 ( ( ( size ) - 1 ) ) ; } 

public void add ( TYPE_1 x ) { if ( x == null ) throw new java.lang.NullPointerException ( ) ; ( size ) ++ ; set ( ( ( size ) - 1 ) , x ) ; METHOD_1 ( ( ( size ) - 1 ) ) ; } 
