问题
填空题
如果一个Java源程序文件中定义有4个类，则使用Sun公司的JDK编译器javac编译该源程序文件，将产生4个文件名与类名相同而扩展名为 【15】 的字节码文件。
答案
参考答案：class
解析： 一个源文件中可以有多个类，但编译后也将产生相对应的字节码文件，字节码文件的扩展名是class。
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如果一个Java源程序文件中定义有4个类，则使用Sun公司的JDK编译器javac编译该源程序文件，将产生4个文件名与类名相同而扩展名为 【15】 的字节码文件。
参考答案：class
解析： 一个源文件中可以有多个类，但编译后也将产生相对应的字节码文件，字节码文件的扩展名是class。
While I was waiting to enter university, I saw an advertisement in a newspaper –a teaching job wanted at a school. The school was about ten miles from where I lived. I was in great of money and wanted to do something useful, so I . Three days later, a letter arrived. It asked me to meet the principal of the school at Croydon. It proved to be a(n) journey -a train to Croydon station, a ten-minute bus ride and then a walk of a quarter of a mile. A man who was short and round seemed to be the principal and he opened the door for me. "The school," he said, "has a group of twenty-four boys between seven and thirteen years old." According to the man, I should have to teach all the subjects art, which the man himself taught. I should have to the class into three groups and teach them at three different levels, and I was not glad at the of teaching Maths -a subject which I wasn't good at. It was that I had to teach them on Saturday afternoon because most of my friends would be themselves at that time. Before I had time to ask about my ,the man got up to his feet. "Now," he said,“You'd better meet my wife. She is the one who really runs this school.”
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