What will be the output of the program

import java.util.Formatter;

public class Formatting {
    public static void main(String[] args) {
        Formatter formatter = new Formatter();
            formatter.format("%b %b %b %b %b", 
                true, null, "false",  new Boolean("false"), 0)
For "%b" if the argument is null, then the result is "false". If argument is a boolean or Boolean, then the result is the string returned by String.valueOf(). Otherwise, the result is "true".
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