View Compilation Error

0_0_31726498_11272\Main.java:5: 错误: 需要class, interface或enum
	public static void main(String[] args) {
	              ^
0_0_31726498_11272\Main.java:8: 错误: 需要class, interface或enum
		Scanner input=new Scanner(System.in);
		^
0_0_31726498_11272\Main.java:9: 错误: 需要class, interface或enum
        String a=input.nextLine();
        ^
0_0_31726498_11272\Main.java:10: 错误: 需要class, interface或enum
        String b=input.nextLine();
        ^
0_0_31726498_11272\Main.java:11: 错误: 需要class, interface或enum
        Contrast contrast=new Contrast();
        ^
0_0_31726498_11272\Main.java:12: 错误: 需要class, interface或enum
        String c=contrast.S(a,b);
        ^
0_0_31726498_11272\Main.java:13: 错误: 需要class, interface或enum
        int d=c.length();
        ^
0_0_31726498_11272\Main.java:14: 错误: 需要class, interface或enum
        System.out.print(""+d+"    ");
        ^
0_0_31726498_11272\Main.java:15: 错误: 需要class, interface或enum
        System.out.println(c+"");
        ^
0_0_31726498_11272\Main.java:16: 错误: 需要class, interface或enum
	}
	^
10 个错误