我是 JAVA 新手,我正在尝试使用 java.util.LinkedList 库和动态数据类型(类)在 java 中实现一个简单的链接列表代码
代码如下 -
import java.util.LinkedList;
import java.util.Scanner;
//defining a custom data-type (class)
class LLObj{
static int NodeInt;
static char NodeChar;
LLObj(int x, char y){
NodeInt = x;
NodeChar = y;
}
}
//main class
public class LL2{
static int ChosenOption, TempInt, NodeCounter, TempCounter;
static char TempChar;
//creating scanner object
static Scanner ScannerObj = new Scanner(System.in);
//creating a link list
static LinkedList<LLObj> list = new LinkedList<>();
//main function
public static void main(String[] args){
NodeCounter = 0;
//driving menu
for(;;){
System.out.println("Enter 1 to add a node to linked list");
System.out.println("Enter 2 to print the current list");
ChosenOption = ScannerObj.nextInt();
if(ChosenOption == 1){
AddNew();
}
else if(ChosenOption == 2){
PrintList();
}
else{
System.out.println("Wrong Input. Try again!");
}
}
}
//AddNew function
public static void AddNew(){
//getting input
System.out.println("Enter integer");
TempInt = ScannerObj.nextInt();
System.out.println("Enter character");
TempChar = ScannerObj.next().charAt(0);
//Making a temperory node
LLObj temp = new LLObj(TempInt,TempChar);
//adding node to the list
list.addLast(temp);
}
public static void PrintList(){
TempCounter = 0;
while(TempCounter < NodeCounter){
System.out.println(list[TempCounter].NodeInt);
System.out.println(list[TempCounter].NodeChar);
System.out.println("");
TempCounter++;
}
}
}
编译时收到的错误是 - “需要数组,但找到了 LinkedList”
请帮助我 1. 理解为什么会产生这个错误 2. 消除这个错误
任何帮助将不胜感激 :)