Java tutorial
public class Main { public static void main(String[] args) { System.out.printf("'%d' %n", 1234); System.out.printf("'%6d' %n", 1234); System.out.printf("'%-6d' %n", 1234); System.out.printf("'%06d' %n", 1234); System.out.printf("'%(d' %n", 1234); System.out.printf("'%(d' %n", -1234); System.out.printf("'% d' %n", 1234); System.out.printf("'% d' %n", -1234); System.out.printf("'%+d' %n", 1234); System.out.printf("'%+d' %n", -1234); } }