Convert Java Object to JSON String | Code Factory


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File : EmployeeBean.java

package com.codeFactory.bean;

public class EmployeeBean {

	private int id;
	private String name;
	private String gender;
	private String designation;

	// Getters and Setters...
	
}

File : Main.java

package com.codeFactory.main;

import java.util.HashMap;
import java.util.Map;
import com.codeFactory.bean.EmployeeBean;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

public class Main {
	public static void main(String args[]) {
		EmployeeBean employeeBean = new EmployeeBean();
		employeeBean.setId(1);
		employeeBean.setName("employee1");
		employeeBean.setGender("male");
		employeeBean.setDesignation("JAVA");
		
		ObjectMapper objectMapper = new ObjectMapper();

		Map<String, String> map = new HashMap<String, String>();
		map.put("1", "Welcome");
		map.put("2", "to");
		map.put("3", "Code Factory");

		try {
			String jsonStr = objectMapper.writeValueAsString(map);
			System.out.println(jsonStr);
		} catch (JsonProcessingException e) {
			e.printStackTrace();
		}
	}
}

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