Commit f961e8d

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Add implementations for moving all 'x' characters and removing duplicates from strings

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Lines changed: 23 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,23 @@`
	`1`	`+public class MoveAllXString {`
	`2`	`+ public static void main(String[] args) {`
	`3`	`+ String str = "axbcxxd";`
	`4`	`+ skip(0, "", str);`
	`5`	`+ // Output: abcd`
	`6`	`+ // Explanation: All 'x' characters are removed from the string.`
	`7`	`+ }`
	`8`	`+`
	`9`	`+ static void skip(int index, String newStr, String str){`
	`10`	`+ if(index == str.length()){`
	`11`	`+ System.out.println(newStr);`
	`12`	`+ return;`
	`13`	`+ }`
	`14`	`+`
	`15`	`+ char currentChar = str.charAt(index);`
	`16`	`+ if(currentChar == 'x'){`
	`17`	`+ skip(index+1, newStr, str);`
	`18`	`+ }else{`
	`19`	`+ newStr +=currentChar;`
	`20`	`+ skip(index+1, newStr, str);`
	`21`	`+ }`
	`22`	`+ }`
	`23`	`+}`

Lines changed: 24 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,24 @@`
	`1`	`+public class RemoveDuplicatsString {`
	`2`	`+ public static void main(String[] args) {`
	`3`	`+ String str = "abbccddeeffa";`
	`4`	`+ removeDuplicatesFun(0, "", str);`
	`5`	`+`
	`6`	`+ }`
	`7`	`+`
	`8`	`+ static void removeDuplicatesFun(int index, String newStr, String str) {`
	`9`	`+ if (index == str.length()) {`
	`10`	`+ System.out.println(newStr);`
	`11`	`+ return;`
	`12`	`+ }`
	`13`	`+`
	`14`	`+ char currentChar = str.charAt(index);`
	`15`	`+`
	`16`	`+ if (newStr.indexOf(currentChar) != -1) { // Character already exists - skip it (don't add duplicate)`
	`17`	`+ removeDuplicatesFun(index + 1, newStr, str);`
	`18`	`+ } else {`
	`19`	`+ newStr += currentChar;`
	`20`	`+ removeDuplicatesFun(index + 1, newStr, str);`
	`21`	`+ }`
	`22`	`+`
	`23`	`+ }`
	`24`	`+}`

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