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View Compilation Error

0_0_13463316_29741\Main.java:1: 错误: 找不到符号
import java.util.Scanner; public class Main { public static void main(String[] args) {  Scanner in=new Scanner(System.in); while(in.hasNext){ int a=in.nextInt();  int n=in.nextInt();  System.out.println(a+n); }}}
                                                                                                                                   ^
  符号:   变量 hasNext
  位置: 类型为Scanner的变量 in
0_0_13463316_29741\Main.java:1: 错误: 非法的类型开始
import java.util.Scanner; public class Main { public static void main(String[] args) {  Scanner in=new Scanner(System.in); while(in.hasNext){ int a=in.nextInt();  int n=in.nextInt();  System.out.println(a+n); }}}
                                                                                                                                ^
2 个错误


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