View Compilation Error

0_0_15003579_5041\Main.java:1: 错误: 需要class, interface或enum
public static int sum(int x){
              ^
0_0_15003579_5041\Main.java:3: 错误: 需要class, interface或enum
		for(i = 1 ; i <= x ; i++){
		^
0_0_15003579_5041\Main.java:3: 错误: 需要class, interface或enum
		for(i = 1 ; i <= x ; i++){
		            ^
0_0_15003579_5041\Main.java:3: 错误: 需要class, interface或enum
		for(i = 1 ; i <= x ; i++){
		                     ^
0_0_15003579_5041\Main.java:5: 错误: 需要class, interface或enum
		}
		^
0_0_15003579_5041\Main.java:7: 错误: 需要class, interface或enum
	}
	^
0_0_15003579_5041\Main.java:8: 错误: 需要class, interface或enum
	public static void main(String[] args) {
	              ^
0_0_15003579_5041\Main.java:12: 错误: 需要class, interface或enum
		int m;
		^
0_0_15003579_5041\Main.java:13: 错误: 需要class, interface或enum
		while(true){
		^
0_0_15003579_5041\Main.java:15: 错误: 需要class, interface或enum
			System.out.println(sum(m));
			^
0_0_15003579_5041\Main.java:16: 错误: 需要class, interface或enum
		}
		^
11 个错误