The first program of the novice to learn java

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Meng new program new to java when first written in general is this, it was a sprout new. Send articles, consolidate knowledge,
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//HelloWorld :类名，此类名应和文件名相同【java是严格区分字母大小写的】
public class HelloWorld {
	
	//此为程序的主入口  调用的是main方法
	public static void main(String[] args) {
		
		//最后控制台输出的信息为: Hello World!
		System.out.println("Hello World!");  
	}

}