㈠ java中数字类型字符串排序问题,
import java.util.*;
class T
{
public static void main(String[] args)
{
String str="21#89#34#2#65#43#5#75$"烂卜;
int index=str.indexOf("$"升胡);
String str1=str.substring(0,index);
String[] strs=str1.split("饥笑穗#");
int[] a=new int[strs.length];
for(int i=0;i<strs.length;i++)
{
a[i]=Integer.parseInt(strs[i]);
}
Arrays.sort(a);
for(int i=0;i<strs.length;i++)
{
System.out.println(a[i]);
}
}
}
㈡ java编程实现对输入的一串字符串进行排序(升序和降序排列区分大小写)
/**
*str(需要排序的字符串),desc(true:从小到大,false:从大到小)
*@paramstr
*@paramdesc
*/
publicstaticvoidstringSort(Stringstr,booleandesc){
char[]array=str.toCharArray();
if(desc){//从小到大排序
for(inti=0;i<array.length;i++){
for(intj=0;j<array.length-i-1;j++){
if(array[j]>array[j+1]){
chartemp=array[j];
array[j]=array[j+1];
array[j+1]=temp;
}
}
}
System.out.print("从小到大:");
for(inti=0;i<array.length;i++){
if(i==array.length-1){
System.out.println(array[i]);
}else{
System.out.print(array[i]+",");
}
}
}else{
for(inti=0;i<array.length;i++){
for(intj=0;j<array.length-i-1;j++){
if(array[j]>array[j+1]){
chartemp=array[j];
array[j]=array[j+1];
array[j+1]=temp;
}
}
}
System.out.print("从小到大:");
for(inti=0;i<array.length;i++){
if(i==array.length-1){
System.out.println(array[i]);
}else{
System.out.print(array[i]+",");
}
}
}
}
㈢ java 字符串排序
//这个绝对满足您的要求
import java.util.Arrays;
public class StringSort {
public static void main(String[] args) {
String ss[]={"ab","wang","hi","a","abff"};
MyString mySs[]=new MyString[ss.length];//创建自定义排序的数组
for (int i = 0; i < ss.length; i++) {
mySs[i]=new MyString(ss[i]);
}
Arrays.sort(mySs);//排序
for (int i = 0; i < mySs.length; i++) {
System.out.println(mySs[i].s);
}
}
}
class MyString implements Comparable<MyString>{
public String s;//包装String
public MyString(String s) {
this.s = s;
}
@Override
public int compareTo(MyString o) {
if(o==null||o.s==null) return 1;
if(s.length()>o.s.length()) return 1;
else if(s.length()<o.s.length()) return -1;
return s.compareTo(o.s);
}
}
㈣ java 大小写字母字符串排序 结果例如AaBb
importjava.util.*;
publicclassCharTest{
staticScannersc=newScanner(System.in);
publicstaticvoidmain(String[]args){
System.out.println("请输入随机字母!");
Stringstr=sc.nextLine().replaceAll("[^\w]+","").replaceAll("\d","");
StringBuilderstb=newStringBuilder();
char[]chs=str.toCharArray();
System.out.println(" 你输入的是:"+str);
//排序!
for(inti=1;i<chs.length;i++){
for(intj=i;j>0;j--){
if(chs[j]<chs[j-1]){
chartem=chs[j];
chs[j]=chs[j-1];
chs[j-1]=tem;
}
}
}
stb.append(chs);
System.out.println(" 排序:大写-->小写-->正序排列:"+stb);
System.out.println(" 排序:小写-->大写-->倒序排列:"+stb.reverse());
}
}
㈤ java中怎么对一串字符进行排序!
importjava.util.Arrays;
publicclassStringSort{
publicstaticvoidmain(String[]args){
Stringstring="togoodtoonostringandnow";
StringsortString=sortChar(string);
System.out.println(sortString);
}
privatestaticStringsortChar(Stringstr){
//1.将字符串转化成数组
char[]chs=stringToArray(str);
//2.对数组进行排序
sort(chs);
//3.将数组转成字符串
returntoString(chs);
}
privatestaticStringtoString(char[]chs){
returnnewString(chs);
}
//对字符数组进行升序排序
privatestaticvoidsort(char[]chs){
Arrays.sort(chs);
}
//将字符串转化成为数组
privatestaticchar[]stringToArray(Stringstring){
returnstring.toCharArray();
}
}
㈥ 如何用java对字符串进行排序
importjava.util.*;
publicclassCharSort
{
privatestaticScannersc=newScanner(System.in);
privatestaticStringBuffersb=newStringBuffer();
publicstaticvoidmain(String[]args)
{
.out.println(" ==========字符串排序!========== ");
init();
}//初始化!
privatestaticvoidinit()
{
System.out.println("请输入:");
for(;;)
{
Stringa=input();
char[]arr=a.toCharArray();
Arrays.sort(arr);
sb.append(a);
print(arr,sb);
}
}
//扫描!
privatestaticStringinput()
{
Stringa=sc.nextLine();
returna;
}
//打印!
privatestaticvoidprint(char[]arr,StringBuffersb)
{
System.out.println(" 字符串排序演示:");
for(inti=0;i<arr.length;i++)
{
System.out.print(arr[i]);
}
System.out.println(" ===================== 倒序演示:");
System.out.print(sb.reverse());
}
}
㈦ 编写一个java程序对一个字符串数组进行排序
importjava.util.Arrays;
publicclassStringDateSort{
publicstaticvoidmain(String[]args){
StringnumString="2310-8037108";
StringsortStr=sortNumberString(numString);
System.out.println("排序的结果是"+sortStr);
}
(StringnumString){
//1.将给定的字符串分解成多个数字格式字符串
String[]numStrings=toStringArray(numString);
//2.将字符串数组转成int数组
int[]nums=toIntArray(numStrings);
//3.对数组排序
sort(nums);
//4.将int数组转成字符串
returntoString(nums);
}
privatestaticStringtoString(int[]nums){
StringBufferstringBuffer=newStringBuffer();
for(inti=0;i<nums.length;i++){
if(i!=nums.length-1){
stringBuffer.append(nums[i]+"<");
}else{
stringBuffer.append(nums[i]);
}
}
returnstringBuffer.toString();
}
privatestaticvoidsort(int[]nums){
Arrays.sort(nums);
}
privatestaticint[]toIntArray(String[]numStrings){
int[]nums=newint[numStrings.length];
for(inti=0;i<numStrings.length;i++){
Strings=numStrings[i];
nums[i]=Integer.parseInt(s);
}
returnnums;
}
privatestaticString[]toStringArray(StringnumString){
String[]numberStr=numString.split("");
for(inti=0;i<numberStr.length;i++){
System.out.println("抽出数字"+numberStr[i]);
}
returnnumberStr;
}
}