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What is the output of the following code snippet?
String str = "Hello World";
String[] words = str.split(" ");
System.out.println(words.length);
String str = "Hello World";
String[] words = str.split(" ");
System.out.println(words.length);
- a)2
- b)1
- c)11
- d)Compile-time error
Correct answer is option 'A'. Can you explain this answer?
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Most Upvoted Answer
What is the output of the following code snippet?String str = "He...
The 'split()' method splits a string into an array of substrings based on the specified delimiter. In this case, the delimiter is a space, so the string is split into two words.
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What is the output of the following code snippet?String str = "He...
Understanding the Code Snippet
The given code snippet is as follows:
java
String str = "Hello World";
String[] words = str.split(" ");
System.out.println(words.length);
Code Breakdown
- **String Initialization**:
- `String str = "Hello World";` initializes a string variable `str` with the value "Hello World".
- **Splitting the String**:
- `str.split(" ");` uses the `split` method to divide the string into an array of substrings based on the specified delimiter, which in this case is a space (" ").
- **Resulting Array**:
- The method `split(" ")` will create an array with two elements: "Hello" and "World".
Calculating the Output
- **Length of the Array**:
- `words.length` retrieves the number of elements in the array `words`. Since the string "Hello World" was split into two parts, `words.length` will return `2`.
Final Output
- The code then prints this length, resulting in the output `2`.
Conclusion
Given the explanation above, the correct answer to the question is option 'A', as the output of the code snippet is indeed `2`.
This illustrates how the `split` method effectively separates a string into an array based on the specified delimiter, providing a straightforward way to count the number of words in a string.
The given code snippet is as follows:
java
String str = "Hello World";
String[] words = str.split(" ");
System.out.println(words.length);
Code Breakdown
- **String Initialization**:
- `String str = "Hello World";` initializes a string variable `str` with the value "Hello World".
- **Splitting the String**:
- `str.split(" ");` uses the `split` method to divide the string into an array of substrings based on the specified delimiter, which in this case is a space (" ").
- **Resulting Array**:
- The method `split(" ")` will create an array with two elements: "Hello" and "World".
Calculating the Output
- **Length of the Array**:
- `words.length` retrieves the number of elements in the array `words`. Since the string "Hello World" was split into two parts, `words.length` will return `2`.
Final Output
- The code then prints this length, resulting in the output `2`.
Conclusion
Given the explanation above, the correct answer to the question is option 'A', as the output of the code snippet is indeed `2`.
This illustrates how the `split` method effectively separates a string into an array based on the specified delimiter, providing a straightforward way to count the number of words in a string.
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