/* --------------------------------------------- for文 数の表示の繰り返し For_02_number --------------------------------------------- */ import java.io.*; import java.text.*; class For_02_number { public static void main(String[] args) throws Exception { int i; DecimalFormat fm=new DecimalFormat(" 000"); for ( i=1 ; i<=100 ; i++ ) { System.out.print(fm.format(i)); if ( i%10 == 0 ) System.out.print("\n"); } } }