Package sourcefiles;
import java.util.List;
import java.util.LinkedList;

Public class ConcretePoolQueue Implements PoolQueue {
Private node & gt; Teams=new node & gt; (a);
Private node Number=new node (a);
Public void add1 item (E) {
Number. The add (item);
Teams. The add (number);
}

Public void add2 (E First, Second E) {
Node Number=new node (a);
Number. The add (First);
Number. The add (Second);
Teams. The add (number);
}

First public void add3 (E, E, Second, Third) E {
Node Number=new node (a);
Number. The add (First);
Number. The add (Second);
Number. The add (Third);
Teams. The add (number);
}

First public void add4 (E, E, Second, Third, E E Fourth) {
Node Number=new node (a);
Number. The add (First);
Number. The add (Second);
Number. The add (Third);
Number. The add (Fourth);
Teams. The add (number);
}

Private E remove1 () {
E returnnumber=remove1 (0);
If (returnnumber==null) {
Throw new InsufficientElementsException ();
}
Return returnnumber;
}//Error: illegal start of expression

Private E remove1 (int) c {//Error: illegal start of expression '; 'expected
For (int I=c; I & lt; Teams. The size (); I++) {
If (teams. Get (I). The size ()==1) {
E returnnumber=teams. Get (I). The get (0);
Teams. Remove (I);
Return returnnumber;
}
}
Return null;
}

Public List Remove2 () {//Error: illegal start of expression
List Returnnumber=remove1 (0);
If (returnnumber==null) {
Throw new InsufficientElementsException ();
}
Return returnnumber;
}//Error: illegal start of expression

Private List Remove2 (int) c {//Error: - & gt; Expected
For (int I=c; i If (teams. Get (I). The size ()==2) {
List Returnnumber=teams. Get (I);
Teams. Remove (I);
Return returnnumber;
}
The else {
If (group. Get (I). The size ()==1) {
E a=removea (I + 1);
If (a!=null) {
List Returnnumber=teams. Get (I);
Teams. Remove (I);
Returnnumber. Add (a);
Return returnnumber;
}
}
}
}
return null;
}//Error: '; 'expected

Public List Remove3 () {//Error: illegal start of expression
List Returnnumber=remove1 (0);
If (returnnumber==null) {
Throw new InsufficientElementsException ();
}
Return returnnumber;
}//Error: illegal start of expression

Private List Remove3 (int) c {//Error: - & gt; Expected
For (int I=c; i If (teams. Get (I). The size ()==3) {
List Returnnumber=teams. Get (I);
Teams. Remove (I);
Return returnnumber;
}
The else {
If (group. Get (I). The size ()==2) {//Error: illegal start of expression
E a=removea (I + 1);//Error: '; 'expected
If (a!=null) {
List Returnnumber=teams. Get (I);
Teams. Remove (I);
Returnnumber. Add (a);
Return returnnumber;
}
}
}
The else {
If (group. Get (I). The size ()==1) {//Error: 'else' without 'if'
E b=removea (I + 1);
If (b!=null) {
List Returnnumber=teams. Get (I);
Teams. Remove (I);
Returnnumber. Add (b);
Return returnnumber;
}
}
}//Error: '; 'expected
}//Error: '; 'expected
return null;
}

Private List Remove4 (int) c {//Error: illegal start of expression
For (int I=c; i If (teams. Get (I). The size ()==4) {
List Returnnumber=teams. Get (I);
Teams. Remove (I);
Return returnnumber;
}
The else {
If (group. Get (I). The size ()==3) {//Error: '(' expected
E a=removea (I + 1);//Error: '; 'expected
If (a!=null) {
List Returnnumber=teams. Get (I);
Teams. Remove (I);
Returnnumber. Add (a);
Return returnnumber;
}
}
}
The else {
If (group. Get (I). The size ()==2) {
E b=removea (I + 1);
If (b!=null) {
List Returnnumber=teams. Get (I);
Teams. Remove (I);
Returnnumber. Add (b);
Return returnnumber;
}
}
}
The else {
If (group. Get (I). The size ()==1) {
E c=removea (I + 1);
If (c!=null) {
List Returnnumber=teams. Get (I);
Teams. Remove (I);
Returnnumber. Add (c);
Return returnnumber;
}
}
}
}
return null;
}

Public Boolean has1 () {
Return has1 (0);
}

Private Boolean has1 (int) c {
For (int I=c; i If (teams. Get (I). The size ()==1) {
return true;
}
return false;
}
}
Public Boolean has2 () {
Return has1 (0);
}

Private Boolean has2 (int) c {
For (int I=c; i If (teams. Get (I). The size ()==2) {
return true;
}
The else {
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