View Compilation Error

0_0_37965318_12506\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_37965318_12506\Main.java:4: 错误: 需要class, interface或enum
			t.po();
			^
0_0_37965318_12506\Main.java:5: 错误: 需要class, interface或enum
			t.pr();
			^
0_0_37965318_12506\Main.java:7: 错误: 需要class, interface或enum
	}
	^
4 个错误