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Arrays & strings

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1

In most programming languages, the index of the first element of an array is:

A.1
B.0
C.-1
D.Depends on the array length
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2

In most programming languages (e.g., C, Java, Python), array indexing starts at:

A.0
B.1
C.โˆ’1
D.The array's length
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3

Joining two strings end to end, such as "foo" + "bar" โ†’ "foobar", is called:

A.Concatenation
B.Compilation
C.Iteration
D.Recursion
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