82 lines
2.4 KiB
Java
82 lines
2.4 KiB
Java
import java.util.Scanner;
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class palin_alpha_rev_concat{
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static boolean palindrome(String str)
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{
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String rev=reverse(str);
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return str.contentEquals(rev);
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}
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static String[] alphabetic(String str)
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{
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String arr[]=str.split(" ");
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for(int i=0;i<arr.length-1;i++)
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{
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for(int j=0;j<arr.length-i-1;j++)
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{
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int a=arr[j].compareTo(arr[j+1]);
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if(a>0)
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{
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String temp=arr[j];
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arr[j]=arr[j+1];
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arr[j+1]=temp;
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}
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}
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}
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return arr;
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}
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static String reverse(String str)
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{
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StringBuffer rev=new StringBuffer(str);
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rev.reverse();
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String revstr=rev.toString();
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return revstr;
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}
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static String concating(String str)
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{
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String rev=reverse(str);
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return str+rev;
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}
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public static void main(String[] args) {
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Scanner in=new Scanner(System.in);
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System.out.println("Enter the String");
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String str=in.nextLine();
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char contin='y';
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while(contin=='y'){
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System.out.println("What do you want to do?1 for checking palindrome,2 for alphabetic,3 for reversing,4 for concatinatig with reverse");
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int choice=in.nextInt();
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switch(choice)
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{
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case 1:
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{
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System.out.println("String is a palindrome:"+palindrome(str));
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break;
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}
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case 2:
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{
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String arr[]=alphabetic(str);
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System.out.println("String in alphabetic order:");
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for(int i=0;i<arr.length;i++)
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{
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System.out.print(arr[i]+" ");
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}
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System.out.println();
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break;
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}
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case 3:
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{
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System.out.println("Reversed string="+reverse(str));
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break;
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}
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case 4:
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{
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System.out.println("Concatenated String="+concating(str));
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break;
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}
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}
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System.out.println("Continue?(y/n)");
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contin=in.next().charAt(0);
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}
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}
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} |