access_test.java

来自「JAVA程序设计课程中各章节的程序实例。」· Java 代码 · 共 31 行

//Access control
class Test
{
	int a;//default
	public int b;
	private int c;

	void Setc(int i)
	{
		c = i;
	}

	int Getc()
	{
		return c;
	}
}

class Access_test
{
	public static void main(String args[])
	{
		Test ob = new Test();

		ob.a = 10;
		ob.b = 20;
		//ob.c = 30;error!
		ob.Setc(30);//right!
		System.out.println(ob.a + ob.b + ob.Getc());
	}
}