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

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package com.zetcode;

import com.google.gson.FieldNamingPolicy;

import com.google.gson.Gson;

import com.google.gson.GsonBuilder;

import java.io.IOException;

import java.io.PrintStream;

class User {

private final String firstName;

private final String lastName;

public User(String firstName, String lastName) {

this.firstName = firstName;

this.lastName = lastName;

}

public class GsonBuilderEx {

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

try (PrintStream prs = new PrintStream(System.out, true,

"UTF8")) {

Gson gson = new GsonBuilder()

.setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)

.create();

User user = new User("Peter", "Flemming");

gson.toJson(user, prs);

}

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