View Compilation Error

0_0_34601655_24748\Main.java:2: 错误: 需要class, interface或enum
	public static void main(String[] args) {
	              ^
0_0_34601655_24748\Main.java:4: 错误: 需要class, interface或enum
		while (sc.hasNext()) {
		^
0_0_34601655_24748\Main.java:6: 错误: 需要class, interface或enum
			if (x > 0) {
			^
0_0_34601655_24748\Main.java:8: 错误: 需要class, interface或enum
				System.out.println();
				^
0_0_34601655_24748\Main.java:9: 错误: 需要class, interface或enum
			} else {
			^
0_0_34601655_24748\Main.java:11: 错误: 需要class, interface或enum
				System.out.println();
				^
0_0_34601655_24748\Main.java:12: 错误: 需要class, interface或enum
			}
			^
7 个错误