Generate non-repeating random numbers (to be perfected)

1         //method One, with a For loop, break out of the statement (not recommended, the method is too stupid, the idea is not very clear)2 3      Public Static voidMain (string[] args) {4 5         //method Two uses the foreach and continue loops and jumps out of the loop6 7         int[] C =New int[7];//Create 7 number series, this place can not define the array8 9Random Ran1 =NewRandom ();//instantiating an objectTen  One         BooleanBo =false;//define identifiers to control loops A  -          for(inti = 0; i < c.length; i++) {//generates a random sequence, and one-time judgment is not 0 and there are no identical numbers -  the             //use the traversal array method to determine if there are duplicate numbers. -  -             intt = Ran1.nextint (35); -  +             if(t = = 0) {//Judging if there's 0 this number -  +i--; A                 Continue; at             } -              for(inty:c) { -  -                 if(Y = =t) { -  -Bo =true; in                      Break; -                 } to  +             } -             if(bo) { the  *i--; $                 Continue;Panax Notoginseng             } -  theC[i] =T; +         } A  the          for(intx1:c) { +  -System.out.print (x1 + ""); $         } $ System.out.println (); -  -         //use Index to determine if there is the same sequence (recommended) the  -String str = "";Wuyi  the          for(inti = 0; I < 7; i++) { -  Wu             intt = Ran1.nextint (35); -  About             if(t = = 0) {//Judging if there's 0 this number $  -i--; -                 Continue; -             } A             if(Str.indexof (t + "") >= 0) {//to determine if there are duplicate numbers +  thei--; -                 Continue; $             } thestr = str + t + ""; the         } the System.out.println (str); the  -System.out.println ("------------------"); in  the         //with replace replacement, this method is simple but not very good, each number is not very random, has not thought of the method of processing the  AboutString s = "01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25" the  the+ "26 27 28 29 30 31 32 33 34 35";//this way, try not to be too low. the  +Random r =NewRandom (); -  the          for(inti = 0; I < 100; i++) {Bayi             intT1 = R.nextint (36); the  the             if(T1 <= 9) { -  -s = S.replace ("0" + T1 + "", ""); the}Else { the  thes = s.replace (T1 + "", "" "); the             } -  the             if(S.length () <= 22) { the  the System.out.println (s);94                  Break; the  the             } the             //There are other methods that haven't been sorted out yet.

Generate non-repeating random numbers (to be perfected)