java中不兼容的类型,使用数组和整数

Question

public class Lab4 {

    public static void main (String args []) {
        int [] myDataList = {12, 223, 232, 434, 1433, 0, -34, 14, 43, 544, 223};
        printArray(myDataList);
        System.out.println();
        addToArrayContents(myDataList,50);
        printArray(myDataList);
        int x = linearSearchForLargest(myDataList);
        System.out.println("The largest number was "+x);
        arrayContainValue(myDataList,23);
    }


    public static void arrayContainValue(int [] ar,int target) {

        for(int i =0;i<ar.length;i++) {

            if (ar[i] = target) {
                System.out.println("The value "+target+" has been found in the array. ");
        }
    }

    System.out.println("The value "+target+" was not found in the array. ");

    }
} 

if (ar[i] = target)当我尝试编译时,该行给了我不兼容的类型错误.这只是一个任务,但我正在完成一个关于我犯错的地方.我只有几周的java经验,所以这对我来说都是新的

Answer 1

你不测试对于原始的平等,你分配你的元素array在索引i与target价值.

因此,您的if条件不会测试boolean,您的代码将无法编译.

将行更改为:

if (ar[i] == target)