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test using rand numbers

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shellhub
2020-08-23 12:40:30 +08:00
parent d6947d0fbd
commit c771089882
9 changed files with 130 additions and 67 deletions
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28
Maths/MinValue.java
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@ -1,7 +1,24 @@
package Maths;
import java.util.Random;
public class MinValue {
/**
* Driver Code
*/
public static void main(String[] args) {
Random rand = new Random();
/* test 100 times using rand numbers */
for (int i = 1; i <= 100; ++i) {
/* generate number from -50 to 49 */
int a = rand.nextInt(100) - 50;
int b = rand.nextInt(100) - 50;
assert min(a, b) == Math.min(a, b);
}
}
/**
* Returns the smaller of two {@code int} values. That is,
* the result the argument closer to the value of
@ -15,15 +32,4 @@ public class MinValue {
public static int min(int a, int b) {
return a <= b ? a : b;
}
public static void main(String[] args) {
assert min(-3,3) == -3;
assert min(-6,-20) == -20;
assert min(100,32) == 32;
assert min(13,13) == 13;
int a = 3;
int b = 4;
System.out.format("min:%d between %d and %d", min(a, b), a, b);
}
}