我想在键盘上输入一串数,以空格分开,我下面的程序只能排序个位数,碰到两位或是三位的数就不行,谁能帮我解决下,谢谢了.
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Arrays;
public class array
{
array()
{
try
{
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
char a[]=new char[5];
String b=in.readLine();
a=b.toCharArray();
/* for(int i=0;i<b.length();i++)
{
System.out.print(a[i]);
}*/
Arrays.sort(a);
for(int i=0;i<a.length;i++) { System.out.print(a[i]+" "); } } catch (Exception ex) {
ex.printStackTrace();
}
}
public static void main(String[] args)
{
array array = new array();
}
}
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Arrays;
public class array
{
array()
{
try
{
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
char a[]=new char[5];
String b=in.readLine();
a=b.toCharArray();
/* for(int i=0;i<b.length();i++)
{
System.out.print(a[i]);
}*/
Arrays.sort(a);
for(int i=0;i<a.length;i++) { System.out.print(a[i]+" "); } } catch (Exception ex) {
ex.printStackTrace();
}
}
public static void main(String[] args)
{
array array = new array();
}
}
这个地方不能使用这个,这个只是一个字符,例如12就是2个字符,你要使用b.split(" ");来分割字符串
{
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
String b=in.readLine();
String [] a=b.split(",");
int [] t=new int[a.length];
/* for(int i=0;i <a.length;i++)
{
t[i]=Integer.parseInt(a[i])
}*/
Arrays.sort(t);
for(int i=0;i <t.length;i++) { System.out.print(t[i]+" "); } } catch (Exception ex) {
ex.printStackTrace();
}
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Arrays;
public class array
{
array ()
{
try
{
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
String b=in.readLine();
String c[]=b.split(" ");
int [] a =new int[c.length];
for(int i=0;i<c.length;i++)
{
a[i]=Integer.parseInt(c[i]);
}
Arrays.sort(a);
for(int i=0;i <a.length;i++)
{
System.out.print(a[i]+",");
} } catch (Exception ex) {
ex.printStackTrace();
}
}
public static void main(String[] args)
{
array array = new array ();
}
}
public static void main(String[] args) {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
try {
String[] in = br.readLine().split(" +");
int[] nums = new int[in.length];
for (int i = 0; i < in.length; i++) {
nums[i] = Integer.parseInt(in[i]);
}
Arrays.sort(nums);
System.out.println(Arrays.toString(nums));
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
Comparator comparator = new Comparator() { public int compare(Object o1, Object o2) {
return Integer.parseInt(o1.toString()) - Integer.parseInt(o2.toString());
} }; array() {
try {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
String b = in.readLine();
String a[] = b.split(" ");
Arrays.sort(a, comparator);
for (int i = 0; i < a.length; i++)
{
System.out.print(a[i] + " ");
} } catch (Exception ex) {
ex.printStackTrace();
}
} public static void main(String[] args) {
array array = new array();
}
}
import java.io.InputStreamReader;
import java.util.Arrays;public class Test01
{
Test01()
{
try
{
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
// char a[]=new char[5];
String b=in.readLine();
// a=b.toCharArray();
String a[]=b.split(" ");
System.out.println(a);
int c[] = new int[a.length];
for(int i=0;i <a.length;i++)
{
c[i]=Integer.parseInt(a[i]);
}
Arrays.sort(c);
for(int i=0;i <c.length;i++) { System.out.print(c[i]+" "); } } catch (Exception ex) {
ex.printStackTrace();
}
}
public static void main(String[] args)
{
Test01 array = new Test01();
}
}