java - string s="113545asadf5555vnm.hk#&&1158ghs "
本文介绍了java - string s="113545asadf5555vnm.hk#&&1158ghs "的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
问 题
string s="113545asadf5555vnm.hk#&&1158ghs "如何分别对数字字母进行排序
解决方案
public static void main(String[] args) {
String s = "113545asadf5555vnm.hk#&&1158ghs ";
System.out.println(sortNum(s));
System.out.println(sortAlphabet(s));
}
private static String sortNum(String s) {
char c;
List<Character> numList = new ArrayList<Character>();
for (int i = 0; i < s.length(); i++) {
c = s.charAt(i);
if ('0' <= c && c <= '9') {
numList.add(c);
}
}
Collections.sort(numList);
StringBuilder sb = new StringBuilder();
for (Character character : numList) {
sb.append(character);
}
return sb.toString();
}
private static String sortAlphabet(String s) {
char c;
List<Character> alphabetList = new ArrayList<Character>();
for (int i = 0; i < s.length(); i++) {
c = s.charAt(i);
if (('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z')) {
alphabetList.add(c);
}
}
Collections.sort(alphabetList);
StringBuilder sb = new StringBuilder();
for (Character character : alphabetList) {
sb.append(character);
}
return sb.toString();
}
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