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View Compilation Error

0_0_35221425_23219\Main.java:7: 错误: 不可比较的类型: int和<空值>
while(a&&b!=null){
          ^
0_0_35221425_23219\Main.java:7: 错误: 二元运算符 '&&' 的操作数类型错误
while(a&&b!=null){
       ^
  第一个类型:  int
  第二个类型: boolean
0_0_35221425_23219\Main.java:8: 错误: 程序包Ayatem不存在
Ayatem.out.println(a+b);
      ^
3 个错误


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