View Compilation Error

0_0_37969544_28433\Main.java:1: 错误: 需要class, interface或enum
    public static void main(String[] args) {
                  ^
0_0_37969544_28433\Main.java:4: 错误: 需要class, interface或enum
        int i = sc.nextInt();
        ^
0_0_37969544_28433\Main.java:5: 错误: 需要class, interface或enum
        for(int j= 0;j<i;j++)
        ^
0_0_37969544_28433\Main.java:5: 错误: 需要class, interface或enum
        for(int j= 0;j<i;j++)
                     ^
0_0_37969544_28433\Main.java:5: 错误: 需要class, interface或enum
        for(int j= 0;j<i;j++)
                         ^
0_0_37969544_28433\Main.java:8: 错误: 需要class, interface或enum
            BigDecimal num2 = sc.nextBigDecimal();
            ^
0_0_37969544_28433\Main.java:9: 错误: 需要class, interface或enum
            System.out.println("Case "+(j+1)+":");
            ^
0_0_37969544_28433\Main.java:10: 错误: 需要class, interface或enum
            System.out.println(num1+" + "+num2+" = "+(num1.add(num2)));
            ^
0_0_37969544_28433\Main.java:11: 错误: 需要class, interface或enum
        }
        ^
9 个错误