REST API issue in Eclipse

import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;

public class Rest {
	/**
	 * @throws IOException 
	 * @brief Get some information from the server
	 */
	void Get() throws IOException {
		OkHttpClient client = new OkHttpClient();
		Request request = new Request.Builder()
				.url("https://academic.cloud.thingworx.com/Thingworx/Things/")
				.get()
				.addHeader("appKey", "XXXXXXXXXXXXXX")
				.addHeader("Content-Type", "application/json")
				.addHeader("Accept", "application/json")
				.addHeader("Cache-Control", "no-cache")
				.addHeader("Token", "XXXXXXXXXXXXXXXX")
				.build();
		Response response = client.newCall(request).execute();
		System.out.println(response.body().string());
	}

for the xxxxxxxx insert the appkey you did create in the thingworx platform…..

import using maven pom.xml …..the following packages

		<dependency>
			<groupId>com.squareup.okio</groupId>
			<artifactId>okio</artifactId>
			<version>2.0.0-RC1</version>
		</dependency>
		<dependency>
			<groupId>com.squareup.okhttp3</groupId>
			<artifactId>okhttp</artifactId>
			<version>3.11.0</version>
		</dependency>
		<dependency>
			<groupId>org.jetbrains.kotlin</groupId>
			<artifactId>kotlin-stdlib</artifactId>
			<version>1.2.61</version>
		</dependency>
		<dependency>
			<groupId>org.jetbrains.kotlin</groupId>
			<artifactId>kotlin-stdlib-common</artifactId>
			<version>1.2.61</version>
		</dependency>

enjoy…..the example is using the rest var get….the same can be accomplished with put...note that other inputs are required therefore….