判断题表达式 “boAt”= “boat”的结果为true。A对B错

判断题
表达式 “boAt”= “boat”的结果为true。
A

B


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现自:  1.  interface Color {  }      2. interface Weight  {  }      3.  //insert code here    和以下足六个声明:  class Boat extends Color, extends Weight  {  }     class Boat extends Color and Weight  {  }      class Boat extends Color, Weight  {  }  class Boat implements Color,  implements Weight  {  }     class Boat implements Color and Weight  {  }      class Boat implements Color, Weight  {  }    分别插入到第3行,有多少行可以编译? () A、  0B、  1C、  2D、  3

表达式““.equals(null)的结果为true

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判断题表达式 “boAt”= “boat”的结果为true。A对B错

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单选题Is the pilot boat () stationAinBatCwithDon