View Compilation Error

0_0_21999686_14040\Main.java:1: 错误: 需要class, interface或enum
public static void main(String[] args) {
              ^
0_0_21999686_14040\Main.java:4: 错误: 需要class, interface或enum
		int a = in.nextInt();
		^
0_0_21999686_14040\Main.java:5: 错误: 需要class, interface或enum
		int b = in.nextInt();
		^
0_0_21999686_14040\Main.java:6: 错误: 需要class, interface或enum
		System.out.println(a + b);
		^
0_0_21999686_14040\Main.java:7: 错误: 需要class, interface或enum
		in.close();
		^
0_0_21999686_14040\Main.java:8: 错误: 需要class, interface或enum
	}
	^
6 个错误