#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct {
char name[20];
int favoriteNum;
} person;
int main(){
person Gec = {"Gec", 1000}; //initialize var Gec of type struct person
Foo = (person) {"Foo", 7}; //initialize var Foo of t
我已经使用arraylist容器对象(块类)在java中实现了一个简单的区块链。
public static ArrayList<Block> blockchain = new ArrayList<Block>();
..。和block类,包含我需要存储到区块链中的事务。
public Block(transaction data,String previousHash ) {
this.data = data;
this.previousHash = previousHash;
this.timeStamp = new Dat