[root@hai envdj]# cd bin [root@hai bin]# activate -bash: activate: command not found [root@hai bin]# chmod +x activate [root@hai bin]# activate -bash: activate: command not found [root@hai bin]# ./activate.csh -bash: ./activate.csh: 权限不够 [root@hai bi
public class Test { public static void main(String[] args) { System.out.println(recursive(30)); } public static int recursive(int i){ // int a0=1; // int a1=1; // int a2=a1+a0; // int a3=a2+a1; if (i==0||i==1) return 1; return recursive(--i)+recursiv