java round decimals in string

/**
 * @author lautturi.com 
 * Java example: output string with round decimals in java
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {
		double price = 2.982;

		System.out.println("price: " + price);
		
		System.out.printf("price: %.2f", price);
		System.out.println();
		
		String priceStr = String.format("%.2f", price);
		System.out.println("price : " + priceStr);

		System.out.format("price : %.2f", price);
	}
}

output:

price: 2.982
price: 2.98
price : 2.98
price : 2.98