Commit b272674

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Lines changed: 31 additions & 0 deletions

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	`1`	`+package Grind169.LinkedLists;`
	`2`	`+`
	`3`	`+public class SwapNodesInPairs_24 {`
	`4`	`+ public class ListNode {`
	`5`	`+ int val;`
	`6`	`+ ListNode next;`
	`7`	`+ ListNode() {}`
	`8`	`+ ListNode(int val) { this.val = val; }`
	`9`	`+ ListNode(int val, ListNode next) { this.val = val; this.next = next; }`
	`10`	`+ }`
	`11`	`+`
	`12`	`+ public static void main(String[] args) {`
	`13`	`+`
	`14`	`+ }`
	`15`	`+`
	`16`	`+ public static ListNode swapPairs(ListNode head) {`
	`17`	`+ ListNode temp;`
	`18`	`+ if(head ==null ){`
	`19`	`+ return null;`
	`20`	`+ }else if(head != null && head.next ==null){`
	`21`	`+ return head;`
	`22`	`+ }else{`
	`23`	`+ temp=head.next;`
	`24`	`+ head.next=temp.next;`
	`25`	`+ temp.next=head;`
	`26`	`+ head=temp;`
	`27`	`+ head.next.next= swapPairs(head.next.next);`
	`28`	`+ return head;`
	`29`	`+ }`
	`30`	`+ }`
	`31`	`+}`

Lines changed: 21 additions & 0 deletions

Original file line number	Diff line number	Diff line change
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	`1`	`+package Grind169.Stacks;`
	`2`	`+`
	`3`	`+import java.util.Scanner;`
	`4`	`+import java.util.Stack;`
	`5`	`+`
	`6`	`+public class BackSpaceStringCompare_844 {`
	`7`	`+ public static void main(String[] args) {`
	`8`	`+ Scanner kbr= new Scanner(System.in);`
	`9`	`+ System.out.println("Type 1st string: ");`
	`10`	`+ String s = kbr.nextLine();`
	`11`	`+ System.out.println("Enter 2nd String: ");`
	`12`	`+ String t= kbr.nextLine();`
	`13`	`+`
	`14`	`+ boolean check= backspaceCompare(s, t);`
	`15`	`+ System.out.println(check);`
	`16`	`+ }`
	`17`	`+`
	`18`	`+ public static boolean backspaceCompare(String s, String t) {`
	`19`	`+`
	`20`	`+ }`
	`21`	`+}`

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