在java中get(int)方法使用示例
java.util.ArrayList类的get(intindex)方法返回此列表中指定位置的元素。
示例
import java.util.ArrayList;
public class ArrayListDemo {
public static void main(String[] args) {
ArrayList<Integer> arrlist = new ArrayList<Integer>(5);
arrlist.add(15);
arrlist.add(22);
arrlist.add(30);
arrlist.add(40);
for (Integer number : arrlist) {
System.out.println("Number = " + number);
}
int retval=arrlist.get(3);
System.out.println("Retrieved element is = " + retval);
}
}输出结果
Number = 15 Number = 22 Number = 30 Number = 40 Retrieved element is = 40