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java 语言实现选择排序

2024-07-03 21:29:04   224人阅读

 
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public class TestSelectSort{
    public static void main(String[] args){
        int[] sortArray = new int[]{5,7,4,2,9,8,3,6};
        System.out.println("before sorting ,the numbers are:");
        show(sortArray);
        selectSort(sortArray);
        System.out.println("after sorting,the numbers are:");
        show(sortArray);
    }
    public static void selectSort(int[] intArray){
        for(int i =0;i<intArray.length;i++){
            int temp = i;
            for(int j = intArray.length-1;j >=i;j--){
                if(intArray[j]< intArray[temp]){
                    temp = j;
                }
            }
            if(i!=temp){
                int a = intArray[i];
                intArray[i] = intArray[temp];
                intArray[temp] = a;
            }
        }
    }
    public static void show(int[] intArray){
        for(int i=0;i<intArray.length;i++){
            System.out.print(intArray[i]+"\t");
        }
        System.out.println();
    }
}

　　


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