import java.lang.reflect.Array;
import java.util.Scanner;
public class Queue {
public Integer pointer;
private final Integer sizeArray;
private final T[] element;
public Queue(Class namaClass, Integer size) {
pointer = -1;
sizeArray = size;
element = (T[]) Array.newInstance(namaClass, size);
}
public void enqueue(T data)
{
if(pointer < (sizeArray - 1))
{
pointer++;
element[pointer] = data;
}
else
{
System.out.println("Queue Sudah Penuh");
}
}
public void dequeue()
{
if(pointer >= 0) {
for (Integer i = 0; i <= pointer; i++) {
element[i] = element[i + 1];
}
pointer--;
}
else
{
System.out.println("Queue Sudah Kosong");
}
}
public void viewQueue()
{
for(Integer i = 0; i <= pointer; i++)
{
System.out.print(element[i]);
System.out.print(" ");
}
}
public void clearQueue()
{
pointer = -1;
}
public static void main(String[] args)
{
Integer pil;
Queue queue = new Queue<>(String.class, 10);
Scanner scanner = new Scanner(System.in);
do
{
queue.viewQueue();
System.out.println();
System.out.println("1. Enqueue");
System.out.println("2. Dequeue");
System.out.println("3. Clear");
System.out.println("4. Exit");
pil = scanner.nextInt();
if(pil > 0 && pil < 4)
{
switch (pil) {
case 1:
String data;
System.out.print("Masukkan Data: ");
data = scanner.next();
queue.enqueue(data);
break;
case 2:
queue.dequeue();
break;
case 3:
queue.clearQueue();
break;
default:
break;
}
}
else
break;
}while(true);
}
package queue;
import java.lang.reflect.Array; import java.util.Scanner; public class Queue { public Integer pointer; private final Integer sizeArray; private final T[] element;
}