Commit ac50c56

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Create String_Tokenizer_2

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	`1`	`+//swap_first_and_last_letter_of_each_word`
	`2`	`+`
	`3`	`+import java.util.*;`
	`4`	`+public class swap_first_and_last_letter_of_each_word`
	`5`	`+{`
	`6`	`+ public static void main()`
	`7`	`+ {`
	`8`	`+ Scanner ob=new Scanner(System.in);`
	`9`	`+ System.out.println("enter string");`
	`10`	`+ String s=ob.nextLine();`
	`11`	`+ StringTokenizer str=new StringTokenizer(s," ,.,?,!");`
	`12`	`+ int n=str.countTokens();`
	`13`	`+ String a[]=new String[n];`
	`14`	`+ int i,b,k=0;String c[]=new String [n];String s1="";`
	`15`	`+ for(i=0;i<n;i++)`
	`16`	`+ {`
	`17`	`+ a[i]=str.nextToken();`
	`18`	`+ }`
	`19`	`+ for(i=0;i<n;i++)`
	`20`	`+ {`
	`21`	`+ b=a[i].length();`
	`22`	`+ char x=a[i].charAt(0);`
	`23`	`+ if(b>1)`
	`24`	`+ {`
	`25`	`+ char y=a[i].charAt(b-1);`
	`26`	`+`
	`27`	`+ s1=y+a[i].substring(1,(b-1))+x;`
	`28`	`+ }`
	`29`	`+ else`
	`30`	`+ {`
	`31`	`+ s1=s1+x;`
	`32`	`+ }`
	`33`	`+ c[k]=s1;`
	`34`	`+ k++;`
	`35`	`+ s1="";`
	`36`	`+ }`
	`37`	`+ for(i=0;i<n;i++)`
	`38`	`+ {`
	`39`	`+ System.out.println(c[i]);`
	`40`	`+ }`
	`41`	`+ }`
	`42`	`+}`

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