Java 实例 - 获取链表的元素
以下实例演示了使用 top() 和 pop() 方法来获取链表的元素:
Main.java 文件
importjava.util.*;
publicclassMain{privateLinkedListlist = newLinkedList();
publicvoidpush(Objectv){list.addFirst(v);
}publicObjecttop(){returnlist.getFirst();
}publicObjectpop(){returnlist.removeFirst();
}publicstaticvoidmain(String[]args){Mainstack = newMain();
for(inti = 30; i < 40; i++)stack.push(newInteger(i));
System.out.println(stack.top());
System.out.println(stack.pop());
System.out.println(stack.pop());
System.out.println(stack.pop());
}}
以上代码运行输出结果为:
39 39 38 37