Java-Gson-Examples/GsonReadArray.java at master · janbodnar/Java-Gson-Examples · GitHub

50 lines (38 loc) · 1.31 KB

package com.zetcode;

import com.google.gson.Gson;

import com.google.gson.GsonBuilder;

import java.io.File;

import java.io.IOException;

import java.io.Reader;

import java.nio.charset.StandardCharsets;

import java.nio.file.Files;

import java.nio.file.Path;

import java.util.Arrays;

class User {

private final String firstName;

private final String lastName;

public User(String firstName, String lastName) {

this.firstName = firstName;

this.lastName = lastName;

}

@Override

public String toString() {

return new StringBuilder().append("{User").append("First name: ")

.append(firstName).append(", Last name: ")

.append(lastName).append("}").toString();

}

public class GsonReadArray {

public static void main(String[] args) throws IOException {

Gson gson = new GsonBuilder().create();

String fileName = "src/main/resources/users.json";

Path path = new File(fileName).toPath();

try (Reader reader = Files.newBufferedReader(path,

StandardCharsets.UTF_8)) {

User[] users = gson.fromJson(reader, User[].class);

Arrays.stream(users).forEach( e -> {

System.out.println(e);

});

}

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