0_0_28643359_15549\Main.java:2: 错误: 需要class, interface或enum
public static void main(String args[]){
^
0_0_28643359_15549\Main.java:4: 错误: 需要class, interface或enum
while(true)
^
0_0_28643359_15549\Main.java:6: 错误: 需要class, interface或enum
int b = sc.nextInt();
^
0_0_28643359_15549\Main.java:7: 错误: 需要class, interface或enum
System.out.println(a+b);}
^
0_0_28643359_15549\Main.java:7: 错误: 需要class, interface或enum
System.out.println(a+b);}
^
5 个错误
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