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34 lines
948 B
Java
34 lines
948 B
Java
package com.glxp.api.util;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Set;
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public class CheckUtils {
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public static Boolean checkCode(List<String> list) {
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Set<String> set = new HashSet<String>(list);
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boolean result = list.size() == set.size() ? true : false;
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return result;
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}
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public static String getRepeatIdCard(List<String> list) {
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StringBuffer buffer = new StringBuffer();
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buffer.append("重复值是:");
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String temp = "";
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for (int i = 0; i < list.size() - 1; i++) {
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temp = list.get(i);
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for (int j = i + 1; j < list.size(); j++) {
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if (temp.equals(list.get(j))) {
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System.out.println("第" + (i + 1) + "个跟第" + (j + 1) + "个重复，值是：" + temp);
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buffer.append(temp + ",");
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}
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}
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}
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return buffer.toString();
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}
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} |