GraphQL Java

my-schema.graphqls

type Query {
    countries: [Country!]
}

# Country in the world
type Country {
    # ISO 3-letter country code
    code: ID!
    # Formal name of country
    name: String!
    continent: String
    region: String
    surfaceArea: String
    indepYear: String
    population: String
    lifeExpectancy: Float
    gnp: Float
    gnpOld: Float
    localName: String
    governmentForm: String
    headOfState: String
    # ISO 2-letter country code
    code2: String
}

pom.xml

<dependency>
    <groupId>com.graphql-java</groupId>
    <artifactId>graphql-java-tools</artifactId>
    <version>4.1.1</version>
</dependency>
<dependency>
    <groupId>com.graphql-java</groupId>
    <artifactId>graphql-spring-boot-starter</artifactId>
    <version>3.9.0</version>
</dependency>

Query.java

package com.hendyirawan.jws1051;

import com.coxautodev.graphql.tools.GraphQLQueryResolver;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.List;

@Component
public class Query implements GraphQLQueryResolver {

    @Autowired
    private CountryRepository countryRepo;

    public List<Country> countries() {
        return countryRepo.findAll();
    }
}