• 多个数组内容拼接,每个数组分别根据索引位置,拼接内容


    1,通过Hutool.ArrayUtil.zip方法进行处理(缺点,只能保留最短的数组内容)

    public class Test {
        public static void main(String[] args) {
            String chinese = "张三;李四;王五";
            String english = "zhangsan;lisi";
            String age = "11;";
    
            String[] a1 = chinese.split(";");
            String[] a2 = english.split(";");
            String[] a3 = age.split(";");
            
            Map<String, String> zip = ArrayUtil.zip(a1, a2);
            System.out.println("zip = " + zip);
        }
    
    }
    

    结果

    zip = {李四=lisi, 张三=zhangsan}
    

    2,程序逻辑实现(短数组通过填充,解决数组越界)

    
    public class Test {
        public static void main(String[] args) {
            String chinese = "张三;李四;王五";
            String english = "zhangsan;lisi";
            String age = "11;";
    
            String[] a1 = chinese.split(";");
            String[] a2 = english.split(";");
            String[] a3 = age.split(";");
    
            int[] lengthArr = {a1.length, a2.length, a3.length};
            int max = ArrayUtil.max(lengthArr);
    
            String[] t1 = transfer(max, a1);
            String[] t2 = transfer(max, a2);
            String[] t3 = transfer(max, a3);
    
            String[] todo = new String[max];
    
            for (int i = 0; i < max; i++) {
                todo[i] = t1[i] + " " + t2[i] + " " + t3[i];
            }
            System.out.println(Arrays.asList(todo));
        }
    
        private static String[] transfer(int max, String[] a1) {
            String[] m1 = new String[max];
            for (int i = 0; i < m1.length; i++) {
                if (a1.length - 1 >= i) {
                    m1[i] = a1[i];
                } else {
                    m1[i] = "";
                }
            }
            return m1;
        }
    }
    
    

    结果

    [张三 zhangsan 11, 李四 lisi , 王五  ]
    
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  • 原文地址:https://www.cnblogs.com/iullor/p/16401599.html
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