Java 如何实例化双数组的特定值
我试图在主类中实例化双数组。我需要使用3种不同的配置执行此操作: 1) 具有完整的双数组,如(字符串[],字符串[]) 2) 具有一个特定值,另一个具有类似双数组的值(字符串[],字符串[1][])) 3) 具有两个特定值,如(字符串[1][],字符串[1][]) 在我的代码中,我开发了两个类,谓词和主类(在这里我实例化了数组) 谓词类是Java 如何实例化双数组的特定值,java,arrays,instantiation,Java,Arrays,Instantiation,我试图在主类中实例化双数组。我需要使用3种不同的配置执行此操作: 1) 具有完整的双数组,如(字符串[],字符串[]) 2) 具有一个特定值,另一个具有类似双数组的值(字符串[],字符串[1][])) 3) 具有两个特定值,如(字符串[1][],字符串[1][]) 在我的代码中,我开发了两个类,谓词和主类(在这里我实例化了数组) 谓词类是 public class Predicate { //objects private static String[] airport = {"cdg","l
public class Predicate {
//objects
private static String[] airport = {"cdg","lhr"};
private static String[] loc = {"south","north"};
private static String[] city = {"paris","london"};
private static String[] pack = {"p1","p2"};
private static String[] vehicle = {"plane","truck"};
//types
private static String[][] place = {airport, loc, city};
private static String[][] physobj = {pack, vehicle};
List<String[][]> parameters = Arrays.asList(place, physobj);
public Predicate(String[][] p, String[][] p1 ) {
p = this.place;
p1 = this.physobj;
}
}
}
我试着让你喜欢
Predicate in = new Predicate(physobj[1][], physobj[1][]);
我收到了这个错误
- Syntax error on token "[", Expression expected after
this token
- Syntax error on token "[", Expression expected after
this token
如何为实例化选择双数组的特定值?谓词的构造函数看起来不正确。为什么要将传入的参数指定给类变量?这就是选择特定于数组的值的问题吗?
- Syntax error on token "[", Expression expected after
this token
- Syntax error on token "[", Expression expected after
this token