View Compilation Error

0_0_20486067_11076\Main.java:1: 错误: 需要class, interface或enum
public static void dfs(boolean vis[],int a[],int i,int n){
              ^
0_0_20486067_11076\Main.java:3: 错误: 需要class, interface或enum
			for(int j=0;j<n;j++){
			            ^
0_0_20486067_11076\Main.java:3: 错误: 需要class, interface或enum
			for(int j=0;j<n;j++){
			                ^
0_0_20486067_11076\Main.java:6: 错误: 需要class, interface或enum
				}else{
				^
0_0_20486067_11076\Main.java:8: 错误: 需要class, interface或enum
				}
				^
0_0_20486067_11076\Main.java:13: 错误: 需要class, interface或enum
		for(int j=1;j<=n;j++){
		            ^
0_0_20486067_11076\Main.java:13: 错误: 需要class, interface或enum
		for(int j=1;j<=n;j++){
		                 ^
0_0_20486067_11076\Main.java:16: 错误: 需要class, interface或enum
				vis[j]=false;
				^
0_0_20486067_11076\Main.java:17: 错误: 需要class, interface或enum
				dfs(vis,a,i+1,n);
				^
0_0_20486067_11076\Main.java:18: 错误: 需要class, interface或enum
				vis[j]=true;
				^
0_0_20486067_11076\Main.java:19: 错误: 需要class, interface或enum
			}
			^
11 个错误