Write a Program to Generate Random Number within Specific Range

Input:

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

/* * Write a Program to Generate Random Number within Range */ package random12; import java.util.Random; public class Random12 { public static void main(String[] args) { Random rnd = new Random(); System.out.println("Generate Number Range 0 to 29"); for (int j = 0; j < 5; j++) { // Generate number 0 to 39 System.out.printf("%2d \t", rnd.nextInt(30)); }// end of for loop System.out.println("\nGenerate Number Range 1 to 40"); for (int j = 0; j < 5; j++) { // Generate number 1 to 40 int range = rnd.nextInt(40) + 1; System.out.printf("%2d \t", range); }// end of for loop /* Range start from other then zero number * for example,to pick a number from from 50 to 75 inclusively, * the upper limit number will be 75-50+1 = 26 and * 50 needs to be added to the result: */ System.out.println("\nGenerate Number Range 50 to 75"); for (int j = 0; j < 5; j++) { int range = rnd.nextInt(26) + 50; System.out.printf("%2d \t", range); }// end of for loop System.out.println(); }// end of main }// end of class

Output:

Generate Number Range 0 to 29
17  19  11  26   2  
Generate Number Range 1 to 40
16  19  12  26  27  
Generate Number Range 50 to 75
53  68  50  50  57