java double to string with 2 decimals code example

Example 1: how to limit double decimal places java

package com.mkyong;

import java.math.RoundingMode;
import java.text.DecimalFormat;

public class DecimalExample {

    private static DecimalFormat df2 = new DecimalFormat("#.##");

    public static void main(String[] args) {

        double input = 3.14159265359;
        System.out.println("double : " + input);
        System.out.println("double : " + df2.format(input));    //3.14

        // DecimalFormat, default is RoundingMode.HALF_EVEN
        df2.setRoundingMode(RoundingMode.DOWN);
        System.out.println("\ndouble : " + df2.format(input));  //3.14

        df2.setRoundingMode(RoundingMode.UP);
        System.out.println("double : " + df2.format(input));    //3.15

    }

}
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Example 2: Display double in decimal places java

double input = 3.14159265359;
System.out.format("double : %.2f", input); // 3.14
System.out.println("double : " + String.format("%.2f", input)); // 3.14

Example 3: java double to string with 2 decimals

double d = 5.921763;

DecimalFormat df = new DecimalFormat("#.00");
String string = df.format(d);

// string = "5.92"

Example 4: java 2 decimals

double res = Math.round(a * 100) / 100;

Example 5: how to format a double in java to 2 decimal places

DecimalFormat df = new DecimalFormat("#.00");

Example 6: 2 decimal places print format JAVA

printf(%.2f);