Scala: Programing in Scala, A Comprehensive Step-by-Step Guide by Chiranjit Hazarika

Author:Chiranjit Hazarika [Hazarika, Chiranjit]
Language: eng
Format: azw3
Published: 2017-10-27T04:00:00+00:00

// Add a 1 to end of the array buffer: nums += 1

printArrayBuffer(nums)

// Add multiple items at once to the end: nums ++= Array(2, 5) printArrayBuffer(nums)

// Add a 3 and a 4 after position 2:

nums.insert(2, 3, 4)

printArrayBuffer(nums)

// To remove an item by its index: nums.remove(3) printArrayBuffer(nums)

// Remove 2 items beginning at index 1: nums.remove(1, 2) printArrayBuffer(nums)

}

}

60

Note that iterating through anArrayBufferis similar to anArray. We can use a simple for loop as per Code Listing 38. We can also use the property calledArrayBuffer.length and loop through the items.

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