Thus, n1 is appropriate as the name of a variable, and HelloProgram is appropriate as the name of a class.
因此，n1比较合适用来作为变量的名字，而HelloProgram就适合用作类的名字。
The first section of HelloProgram is an English-language comment, which is simply program text that is ignored by the compiler.
Hello程序的第一部分是用英语写的注释，注释一般是一段简单的文字而且编译器会忽略这一段。
The diagram tells you that every instance of a program you design, such as the instance of HelloProgram shown in Figure 2-1, is simultaneously a GraphicsProgram, a Program, and an Applet.
这张图表明你所设计的所有程序的实例，比如图2-1HelloProgram的实例，它同时也是一个GraphicsProgram，Program和Applet的实例。
The libraries used by the HelloProgram are a graphics library and a program library, each of which come from a collection of packages produced by the Association for Computing Machinery (ACM).
Hello程序所用到的库包括了图形库和编程库，两者均包含在美国计算机协会(acm)开发的一套库集合中。
The first section of HelloProgram is an English-language comment which is simply program text that is ignored by the compiler.
Hello程序的第一部分是用英语写的注释，注释一般是一段简单的文字而且编译器会忽略这一段。
The first section of HelloProgram is an English-language comment which is simply program text that is ignored by the compiler.
Hello程序的第一部分是用英语写的注释，注释一般是一段简单的文字而且编译器会忽略这一段。
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