Java 错误:不兼容的类型:int[]无法转换为int

Java 错误:不兼容的类型:int[]无法转换为int,java,arrays,for-loop,double,Java,Arrays,For Loop,Double,我正在处理一个项目,不断收到错误消息,说错误:不兼容类型int[]在试图编译时无法转换为int。错误显示它在第17行。我试着把所有的东西都改成双打,但双打也会出现同样的错误。我不知道为什么这些数字无法存储,解释一下会很有帮助 int[][] houseNumbers; int numberOfHouses, homeNumber, numberOfPeople, house, people; System.out.print("How many houses in the

我正在处理一个项目,不断收到错误消息,说错误:不兼容类型int[]在试图编译时无法转换为int。错误显示它在第17行。我试着把所有的东西都改成双打,但双打也会出现同样的错误。我不知道为什么这些数字无法存储,解释一下会很有帮助

    int[][] houseNumbers;
    int numberOfHouses, homeNumber, numberOfPeople, house, people;
    System.out.print("How many houses in the street?: ");
    numberOfHouses = keyboard.nextInt();
    houseNumbers = new int[numberOfHouses][];
    for (house = 0; house < houseNumbers.length; house++){
        System.out.print("What is the next house number? : ");
        houseNumbers[house] = keyboard.nextInt();
        System.out.print("How many people live in house number" + houseNumbers[house] + ":");
        numberOfPeople = keyboard.nextInt();
        houseNumbers[house] = new int[numberOfPeople];
        for (people = 0; people < houseNumbers[house].length; people++){
            System.out.print("What is the age of person " + people + ": ");
            houseNumbers[house][people] = keyboard.nextInt();
        }
    }
int[][]门牌号;
int numberofhouse,home number,numberOfPeople,house,people;
System.out.print(“街上有多少房子?:”);
numberofhouse=keyboard.nextInt();
房屋编号=新的整数[numberOfHouses][];
用于(house=0;house
您有几个错误。最大的一个是尝试将
int
分配给
int
数组。数组是(一个或多个)项的块。在访问单个项目之前,必须使用
new
分配块。您的编译器正在告诉您这一点。学习理解编译器的错误和警告

错误1:

/* houseNumbers[house] -> */ homeNumber = keyboard.nextInt();
错误2:

System.out.print("How many people live in house number" + /* houseNumbers[house] -> */ homeNumber + ":");

houseNumber[house]=keyboard.nextInt()
int
分配给
int
数组。三行之后你就可以正确地做了。您可能需要
numberOfPeople=keyboard.nextInt()在那里。我这样做了:homeNumber=keyboard.nextInt();房屋编号[房屋]=房屋编号;我仍然会遇到同样的错误,把一个int赋值给一个int数组有什么错呢?错的是Java不允许你这么做。时期
int
不是
int
数组。现在一些语言会说“哦……也许她是指我把
int
转换成
int[]
和一个元素”。。。为你做这件事。Java不是这样的。Java坚持让你说出你的意思。
houseNumber[house]
是一个数组。不能为其分配
int
。您必须为数组分配空间,然后可以为每个元素分配:
houseNumbers[house]=newint[numberOfPeople]