[Operation of the JAVA100 example]004, vector (vector) object

public class Operatevector


{


/*


*<br> Method Description: Generate a 4*4 vector for use.


*<br> input Parameters:


*<br> Output variable: Vector


*<br> Other Notes:


*/


public Vector Buildvector () {


vector vtemps = new vector ();


for (int i=0;i<4;i++) {


vector vtemp = new vector ();


for (int j=0;j<4;j++) {


vtemp.addelement ("Vector (" +i+ ") (" +j+ ")");


　　 }


vtemps.addelement (vtemp);


　　 }


return vtemps;


}


/*


*<br> Method Description: Inserting Data


*<br> input parameter: Vector vtemp the data object to be inserted


*<br> input parameter: int itemp where data is inserted


*<br> input parameter: Object otemp Insert data value


*<br> Output variable: Vector results


*<br> Additional Note: If the insertion position exceeds the actual position of the instance, it returns null


*/


public vector Insert (vector vtemp,int itemp,object otemp) {


if (itemp>vtemp.size ()) {


print ("Data hyper-bounds!");


return null;


}else{


Vtemp.insertelementat (otemp,itemp);


　 }


return vtemp;


}


/*


*<br> Method Description: Removing Data


*<br> input parameters: Vector vtemp object to be deleted


*<br> input parameter: int ITEMP Deletes the location of the data


*<br> Output variable: Vector


*<br> Other Notes: If you delete the data in the bounds, you will return null


*/


Public Vector Delete (Vector vtemp,int itemp) {


if (itemp>vtemp.size ()) {


print ("Data hyper-bounds!");


return null;


}else{


Vtemp.removeelementat (ITEMP);


　 }


return vtemp;


}


/*


*<br> Method Description: Modifying Data


*<br> input parameters: vector vtemp to be modified


*<br> input Parameters: int ITEMP Modify the location of the data


*<br> input parameter: Object otemp Modify data value


*<br> Output variable: Vector


*<br> Other Note: If you modify the data in the location hyper-bounds, you will return null


*/


public vector updata (vector vtemp,int itemp,object otemp) {


if (itemp>vtemp.size ()) {


print ("Data hyper-bounds!");


return null;


}else{


Vtemp.setelementat (otemp,itemp);


　 }


return vtemp;


}


/*


*<br> Method Description: Output information


*<br> input parameter: String stemp output Information name


*<br> input parameter: Object otemp output Information value


*<br> return variable: no


*/


public void print (String stemp,vector otemp) {


System.out.println (stemp+ "Data:");


This.print (otemp);


}


/**


*<br> Method Description: Print output (overload)


*<br> input parameter: Object Opara output


*<br> return type: No


*/


public void print (Object Opara) {


System.out.println (Opara);


}


/**


*<br> Method Description: Print output (overload)


*<br> input parameters: vector vpara display output vector objects


*<br> return type: No


*/


public void print (Vector Vpara) {


for (int i=0;i<vpara.size (); i++) {


System.out.println (Vpara.elementat (i));


　　 }


}


/**


*<br> Method Description: Main method, program entry


*<br> input parameters: string[] args


*<br> return type: No


*/


public static void Main (string[] args)


{


Operatevector ov = new Operatevector ();


Vector vtemp = Ov.buildvector ();


ov.print ("VTemp0", vtemp);


Vector vresult = Ov.insert (vtemp,2, "added data");


ov.print ("Vresult", vresult);


Vector vresultup = Ov.updata (vresult,2, "modified data");


ov.print ("Vresultmp", Vresultup);


Vector Vresultnow = Ov.delete (vresultup,2);


ov.print ("Vresultnow", Vresultnow);


}


}