「java入門」java.util.ArrayDeque.peek()のサンプルコード

javaコード

import java.util.ArrayDeque;
import java.util.Deque;

public class ArrayListPeekDemo {

public static void main(String[] args) {
// create an empty array deque with an initial capacity
Deque<Integer> chang = new ArrayDeque<Integer>(10);

// use add() method to add elements in the deque
chang.add(44);
chang.add(37);
chang.add(28);
chang.add(98);

// this will retrieve head of the queue
int retval = chang.peek();
System.out.println(“Retrieved Element is " + retval);

// printing all the elements available in deque
for (Integer numVal : chang) {
System.out.println(“Value = " + numVal);
}
}

}

結果

Retrieved Element is 44
Value = 44
Value = 37
Value = 28
Value = 98

Java

Posted by arkgame