new keyword in numberFormat class

package com.example.java;

import java.text.NumberFormat;

public class Main {

    public static void main(String[] args) {
	int R = 42;
    String fromR = Integer.toString(R);
    System.out.println(R);

    boolean Rb = true;
        Boolean.toString(Rb);
        System.out.println(Rb);


        long Rl = 100_000;
        //Long.toString(Rl);
        NumberFormat formatt = NumberFormat.getNumberInstance();
        String formatted = formatt.format(Rl);
        //with commas instead of underscore
        System.out.println(formatted);

    }
}

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numberformatting

is this an existing class

why do I not need a NEW keyword

numberFormat object=new numberFormat()