2013-04-20 54 views
1

阵列内调用的方法的参数这是main()方法:我可以使用Java中

Movie[] list = new Movie[6]; 

list[0] = new Animated(.25, 700.000, "Mulan", "Barry Cook", 1998, 15.000); 
list[1] = new Animated(.23, 45.000, "TMNT", "Steve Barron", 1990, 12.000); 
list[2] = new Documentary(12, 7.000, "Nixon", "Oliver Stone", 1995, 50.000); 
list[3] = new Documentary(10, 4.500, "JFK", "Oliver Stone", 1991, 35.000); 
list[4] = new Drama(3.500, 8.25, "Belly", "Hype Williams", 1998, 20.000); 
list[5] = new Drama(4.500, 9.00, "42", "Brian Helgeland", 2013, 16.000); 

System.out.print(menu()); 
System.out.print("Select and menu option 1-5: "); 
choice = input.nextInt(); 
do 
{ 
    switch(choice) 
    { 
     case 1: movieList(list); 
     break; 

,我调用类中所存在外mainmovieList(list)方法:

public static void movieList(Movie[] a) 
{ 
    System.out.printf("\n\n%-10s %-10s %-10s %-10s %-10s", "TITLE", "YEAR", 
    "REVENUE", "PROFIT", "CATEGORY"); 
    System.out.printf("\n\n%-10s", Movie[0].getTitle()); 
} 

这是我打电话给case 1的方法,我怎么一直在试图使用一个参数,并且我在电影中得到“无法找到符号”错误。 我一直在寻找,我开始认为我不能以这种方式访问​​这个值。

回答

4

Movie[]参数在movieList方法名称为a,因此使用a[0].getTitle(),而不是Movie[0].getTitle()尝试。方法中的参数总是通过名称访问,而不是类型。

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