public class TestDocNum {
private final static String[] name = { “橘子”, “苹果”, “香蕉” };
private static final String[] code = { “1&11”, “2&22”, “3&12” };
public static void main(String[] args) {
//一个编码对应一个名称，随机输入一个编码去匹配对应的名称
String code = getname(“苹果”);
System.out.println(code);
}
public static String getname(String cardnumber) {
int index = 0;
index = binarySearch(name, cardnumber);
if (index == -1 || index > code.length) {
return null;
}
return code[index];
}
public static int binarySearch(String[] srcArray, String des) {
int low = 0;
int high = srcArray.length;
while (low < high) {
if (des == srcArray[low]) {
return low;
}
low++;
}
return -1;
}
}
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链接：https://blog.csdn.net/youruyi009/article/details/82772562