1) we can use java.util.Random class for generate random number.
2) nextInt(n) method used to generate any number from 0 to n.
Ex:
Random rg = new Random();
for (int idx = 1; idx <= 1000; ++idx){
int randomInt = rg.nextInt(1000);
System.out.println("Generated : " + randomInt);
}
From above Example nextInt(1000) generate random number from 0 to 1000 and display output in console.
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