第一题不是几分钟的事,第二题:
Scanner sc = new Scanner(System.in);
String line = sc.nextLine();
Boolean flag = true;
for(i=0;i<(line.length-1)/2;i++){
Char c1 =line.charAt(i);
Char c2 = line.charAt(line.length-1-i);
if(!c1.equals(c2)){
flag=false;
}
}
if(flag){
System.out.println("Number"+line+"is回文") ;
}else{
System.out.println("Number"+line+"isnot回文") ;
}