我是編程新手,如果看起來很可怕,請原諒我。我不太確定我在做什麼。錯誤:構造函數類卡中的卡片不能應用於給定的類型;
當我編譯代碼我得到以下錯誤:
error: constructor Card in class Card cannot be applied to given types;
required: no arguments
found: String, String, int
reason: actual and formal arguments differ in length
這是我的代碼:
public void testConvenienceConstructor() {
System.out.println("Card...");
Card instance = new Card("4", DIAMONDS, 4);
assertEquals("4", instance.getName());
assertEquals(DIAMONDS, instance.getSuit());
assertEquals(4, instance.getValue());
這裏是我的卡類代碼:
package model;
public class Card implements CribbageConstants {
//-----fields-----
private String name; //the name of the card
private String suit; //the suit of the card
private int value; //the value of the card
//---------- Constructors ---------
/**
* No argument constructor - set default values for card
*/
public Card() {
name = "ACE";
suit = "CLUBS";
value = 1;
}
//-------------- Utility methods --------------
/**
* Provide a text representation of a card.
*
* @return The banana's name, suit, and value
*/
public String getName() {
return name;
}
public String getSuit() {
return suit;
}
public int getValue() {
return value;
}
//------mutator-----
public void setName(String name) {
this.name = name;
}
public void setSuit(String suit) {
this.suit = suit;
}
public void setValue(int value) {
this.value = value;
}
//-----------utility methods------------
}
我將如何創建一個構造? – user2827773
@ user2827773看看我編輯請 –