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6 THE NTWICE PROBLEM Complete the method nTwice. The method has two inputs: a String str and an int n. The output of the method is a new String made of the first and last n chars from str. The original String length will be at least length n. Here is some sample input and output: nTwice("Hello", 2) → "Helo" nTwice("Chocolate", 3) → "Choate"

6 THE NTWICE PROBLEM Complete the method nTwice. The method has two inputs: a String str and an int n. The output of the method is a new String made of the first and last n chars from str. The original String length will be at least length n. Here is some sample input and output: nTwice("Hello", 2) → "Helo" nTwice("Chocolate", 3) → "Choate"

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Complete the method nTwice. The method has two inputs: a String str and an int n. The output of the method is a new String made of the first and last n chars from str. The original String length will be at least length n. Here is some sample input and output:

 

### 6 The NTwice Problem Complete the method **nTwice**. The method has two inputs: a **String str** and an **int n**. The output of the method is a new **String** made of the first and last **n** characters from **str**. The original **String** length will be at least length **n**. Here is some sample input and output: * **nTwice("Hello", 2)** → "Helol" - The first 2 characters of "Hello" are "He". - The last 2 characters of "Hello" are "lo". - The result is "Helo". * **nTwice("Chocolate", 3)** → "Choate" - The first 3 characters of "Chocolate" are "Cho". - The last 3 characters of "Chocolate" are "ate". - The result is "Choate". * **nTwice("Chocolate", 1)** → "Ce" - The first character of "Chocolate" is "C". - The last character of "Chocolate" is "e". - The result is "Ce". In each example, the method **nTwice** combines the specified number of characters from the start and end of the provided string to create the new string.
Transcribed Image Text:### 6 The NTwice Problem Complete the method **nTwice**. The method has two inputs: a **String str** and an **int n**. The output of the method is a new **String** made of the first and last **n** characters from **str**. The original **String** length will be at least length **n**. Here is some sample input and output: * **nTwice("Hello", 2)** → "Helol" - The first 2 characters of "Hello" are "He". - The last 2 characters of "Hello" are "lo". - The result is "Helo". * **nTwice("Chocolate", 3)** → "Choate" - The first 3 characters of "Chocolate" are "Cho". - The last 3 characters of "Chocolate" are "ate". - The result is "Choate". * **nTwice("Chocolate", 1)** → "Ce" - The first character of "Chocolate" is "C". - The last character of "Chocolate" is "e". - The result is "Ce". In each example, the method **nTwice** combines the specified number of characters from the start and end of the provided string to create the new string.
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