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public class lianxi23 {
public static void main(String[] args) { int age = 10;
for(int i=2; i<=5; i++) { age =age+2; } } }
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ÌâÄ¿£º¸øÒ»¸ö²»¶àÓÚ5λµÄÕýÕûÊý£¬ÒªÇó£ºÒ»¡¢ÇóËüÊǼ¸Î»Êý£¬¶þ¡¢ÄæÐò´òÓ¡³ö¸÷λÊý×Ö¡£ //ʹÓÃÁ˳¤ÕûÐÍ×î¶àÊäÈë18λ import java.util.*; public class lianxi24 {
public static void main(String[] args) { Scanner s = new Scanner(System.in);
long a = s.nextLong(); String ss = Long.toString(a);
char[] ch = ss.toCharArray(); int j=ch.length;
for(int i=j-1; i>=0; i--) { } } }
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ÌâÄ¿£ºÒ»¸ö5λÊý£¬ÅжÏËüÊDz»ÊÇ»ØÎÄÊý¡£¼´12321ÊÇ»ØÎÄÊý£¬¸öλÓëÍòλÏàͬ£¬Ê®Î»ÓëǧλÏàͬ¡£ import java.util.*; public class lianxi25 {
public static void main(String[] args) { Scanner s = new Scanner(System.in); int a; do{
a = s.nextInt();
}while(a<10000||a>99999); String ss =String.valueOf(a); char[] ch = ss.toCharArray(); if(ch[0]==ch[4]&&ch[1]==ch[3]){
} }
//Õâ¸ö¸üºÃ£¬²»ÏÞλÊý import java.util.*; public class lianxi25a {
public static void main(String[] args) { Scanner s = new Scanner(System.in); boolean is =true;
long a = s.nextLong(); String ss = Long.toString(a); char[] ch = ss.toCharArray(); int j=ch.length;
for(int i=0; i ¡¾³ÌÐò26¡¿ ÌâÄ¿£ºÇëÊäÈëÐÇÆÚ¼¸µÄµÚÒ»¸ö×ÖĸÀ´ÅжÏÒ»ÏÂÊÇÐÇÆÚ¼¸£¬Èç¹ûµÚÒ»¸ö×ÖĸһÑù£¬Ôò¼ÌÐø¶þ¸ö×Öĸ¡£ ÅÐ¶ÏµÚ import java.util.*; public class lianxi26 { public static void main(String[] args) { getChar tw = new getChar(); char ch = tw.getChar(); switch(ch) { case 'M': break; case 'W': break; case 'F': break; case 'T': { char ch2 = tw.getChar(); } }; break; case 'S': { char ch2 = tw.getChar(); } }; break; } } } class getChar{ public char getChar() { Scanner s = new Scanner(System.in); String str = s.nextLine(); char ch = str.charAt(0); if(ch<'A' || ch>'Z') { ch=getChar(); }