Interview 1:

- Abstract classes over interfaces. Why we use interfaces over abstract classes.
- Given a sentence with each letter as a node of the linkedlist. Reverse the order of the words (not the word itself).
"My name is Batman" - "Batman is name my"
- Zigzag level traversal of a tree.

Question

Interview 1:

 - Abstract classes over interfaces. Why we use interfaces over abstract classes.
 - Given a sentence with each letter as a node of the linkedlist. Reverse the order of the words (not the word itself).
   "My name is Batman" -> "Batman is name my"
 - Zigzag level traversal of a tree.

Rajasekhar · Accepted Answer

String givenString=""My name is Batman"; // output :  "Batman is name my"
String strArray[]=givenString.split(" ");

for(int i=strArray.length()-1;i<=0;i++){
    return strArray[i]+" ";
}

Anonymous · Answer

String givenString=""My name is Batman"; // output : "Batman is name my"
String strArray[]=givenString.split(" ");

for(int i=strArray.length()-1;i<=0;i--){
return strArray[i]+" ";
}

rajasekhar · Answer

Final answer:
String givenString="My name is Batman"; // output :  "Batman is name my"
        String strArray[]=givenString.split(" ");
        int length=strArray.length-1;
        System.out.println("Hello World"+length);
        for(int i=length;i>=0;i--){
            System.out.print(strArray[i]+" ");
        }

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