public?class?HelloWorld{
	public?static?void?main（String[]?args）{
		System.out.println（“Hello?World“）;
	}
	public?static?int?square（int?input）{
		int?output?=?input?*?input;
		return?output;
	}
	public?static?int?power（int?input?int?exponent）{
		int?outputi;
		output=1;
		for（i=0;i			output?*=?input;
		}
		return?output;
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????2403??2018-04-14?19:38??hello_world.c
?????文件?????????362??2018-04-14?19:37??HelloWorld.java
?????文件?????????348??2018-04-14?22:13??Makefile