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6 for while do~while 1. for for(; ; ){1;2;...n;} ;1. forfor(; ; ){1;2;...n;};[ ] 1~n 1~n 1. for System.out.println("Hello World!");System.out.println("Hello World!");System.out.println("Hello World!");System.out.println("Hello World!");System.out.println("Hello World!");System.out.println("Hello World!");System.out.println("Hello World!");System.out.println("Hello World!");System.out.println("Hello World!");System.out.println("Hello World!");int i;for(i=1; i=1; i--) 22: System.out.print(" " + i ); 23: System.out.println("\n ------------------------- >> " ); 24: } 25:} 2 01:class For04 { 02: public static void main(String[] args) { 03: int i; // 04: int a=2; // , 2 05: 06: System.out.println(" " ); 07: for(i=1; i 3240 1 ~ 90 -> 4095 1 ~ 100 -> 5050

3. 1 100 10 . 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 4. .

5. (*) .

6. A I . ABCDE FGH I

7. . public class ForEx03 { public static void main( String[] argv ) { for (int i =0; i