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Applied to strings, the precision specifier specifies the maximum field length

For example, %5.7s displays a string at least five and not exceeding seven characters long. If the string is longer than the maximum field width, the end characters will be truncated. import java.util.Formatter; public class MainClass {   public static void main(String args[]) {     Formatter fmt;     fmt = new Formatter();     fmt.format("%5.7s", "abcdefghijklmn");     System.out.println(fmt);          fmt = new Formatter();     fmt.format("%5.7s", "abc");     System.out.println(fmt);        } } abcdefg abc