BufferedReader br=new BufferedReader(
new InputStreamReade(System.in));
应该是
BufferedReader br=new BufferedReader(
new InputStreamReader(System.in));
少个字母,呵呵
new InputStreamReade(System.in));
应该是
BufferedReader br=new BufferedReader(
new InputStreamReader(System.in));
少个字母,呵呵
if(j*2==s.length())//这里就改为j*2==s.length();
{
System.out.println("y");
}
else
{
System.out.println("n");
}接两百分
import java.io.*;public class TestPop {
public static void main(String args[]) throws Exception {
BufferedReader br = new BufferedReader(
new InputStreamReader(System.in));
String s;
System.out.println("请您随便输入一行字符串:");
System.out.flush();
s = br.readLine();
Stack stack = new Stack();
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
switch (c) {
case '?':
break;
case ':':
break;
case ' ':
break;
case ',':
break;
default:
stack.push(new Character(c));
break;
}
} int j = 0;
char char1;
char char2;
for (int i = 0; i < stack.size(); i++) { //我判断问题在这里,但是没改好
char1 = s.charAt(i);
char2 = ( (Character) stack.pop()).charValue();
if (char1 == char2)
j++;
}
if (j * 2 == s.length()) { System.out.println("y");
}
else { System.out.println("n");
}
}
}
输入assa时显示是回文!
输入assssa时显示是回文!
package com.test.csdn.string;import java.util.*;
import java.io.*;public class Myhuiwen
{
public static void main(String args[]) throws Exception
{
BufferedReader br = new BufferedReader(
new InputStreamReader(System.in));
String s;
System.out.println("请您随便输入一行字符串:");
System.out.flush();
s = br.readLine();
Stack stack = new Stack();
for (int i = 0; i < s.length(); i++)
{
char c = s.charAt(i);
switch (c)
{
case '?':
break;
case ':':
break;
case ' ':
break;
case ',':
break;
default:
stack.push(new Character(c)); break;
}
} int j = stack.size();
for (int i = 0; i < s.length(); i++) //我判断问题在这里,但是没改好
{
char c = s.charAt(i);
switch (c)
{
case '?':
break;
case ':':
break;
case ' ':
break;
case ',':
break;
default:
if (s.charAt(i) == ( (Character) stack.pop()).charValue())
{
j--;
}
break;
} } if (j == 0)
{ System.out.println("y");
}
else
{ System.out.println("n");
}
}
}
非常感谢你们!散分了:)
说对了,他的确实有问题
import java.io.*;public class TestPop {
public static void main(String args[]) throws Exception {
BufferedReader br = new BufferedReader(
new InputStreamReader(System.in));
String s = new String();
StringBuffer strBuff = new StringBuffer();
System.out.println("请您随便输入一行字符串:");
System.out.flush();
s = br.readLine();
Stack stack = new Stack();
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
switch (c) {
case '?':
break;
case ':':
break;
case ' ':
break;
case ',':
break;
default:
stack.push(new Character(c));
strBuff.append(c);
break;
}
} char char1;
char char2;
boolean isHuiwen = true;
int len = stack.size();
if(len == 0 || len % 2 != 0) {
isHuiwen = false;
} else {
for (int i = 0; i < len; i++) { //我判断问题在这里,但是没改好
char1 = strBuff.charAt(i);
char2 = ( (Character) stack.pop()).charValue();
if (! (char1 == char2)) {
isHuiwen = false;
break;
}
}
}
if (isHuiwen) { System.out.println("y");
}
else { System.out.println("n");
}
}
}