package org.wesome.dsalgo;
public class Factorial {
public static int factorial(int n) {
int factorial[] = new int[n + 1];
factorial[0] = 1;
for (int i = 1; i <= n; i++) {
factorial[i] = factorial[i - 1] * i;
}
return factorial[n];
}
}
package org.wesome.dsalgo;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import static org.wesome.dsalgo.Factorial.factorial;
public class factorialTest {
@Test
void factorialTest1() {
int factorial = factorial(5);
System.out.println("factorial = " + factorial);
Assertions.assertEquals(120, factorial);
}
@Test
void factorialTest2() {
int factorial = factorial(10);
System.out.println("factorial = " + factorial);
Assertions.assertEquals(3628800, factorial);
}
@Test
void factorialTest3() {
int factorial = factorial(0);
System.out.println("factorial = " + factorial);
Assertions.assertEquals(1, factorial);
}
}
plugins {
id 'java'
}
group = 'org.wesome'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = JavaVersion.VERSION_1_8
repositories {
mavenCentral()
}
dependencies {
testImplementation('org.junit.jupiter:junit-jupiter:5.6.2')
}
test {
useJUnitPlatform()
}
Book traversal links for Factorial Program Using DP