package method;public class Demo4 { public static void main(String[] args) { Demo4 d= new Demo4(); d.test(1,2,3,4); } public void test(int... i){ System.out.println(i[2]); }}
package method;public class Demo5 { public static void main(String[] args){ Demo5 test=new Demo5(); test.test(); } public void test(){ test(); }}
package method;public class Demo6 { public static void main(String[] args){ System.out.println(f(7)); } //n的阶层 public static int f(int n) { if(n==1){ return 1; }else{ return n*f(n-1); } }}
Original: https://www.cnblogs.com/tomn/p/16154660.html
Author: 1号小白学编程
Title: Day8
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