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public class Format1 {

public static void main(String[] args) {

long n = 461012;

String f1 = String.format("%d%n", n); // --> "461012"

String f2 = String.format("%08d%n", n); // --> "00461012"

String f3 = String.format("%+8d%n", n); // --> " +461012"

String f4 = String.format("%,8d%n", n); // --> " 461,012"

String f5 = String.format("%+,8d%n", n); // --> "+461,012"

System.out.println(f1 + f2 + f3 + f4 + f5);

double pi = 3.14159265;

String pf1 = String.format("%f%n", pi); // --> "3.141593"

String pf2 = String.format("%.3f%n", pi); // --> "3.142"

String pf3 = String.format("%10.3f%n", pi); // --> " 3.142"

System.out.println(pf1 + pf2 + pf3);

}