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If numbers are a two-dimensional array, which of the following would give the number of columns in row r?

When an array is passed to a method ________.

Given that String[] str has been initialized, to get a copy of str[0] with all the characters converted to uppercase, you would use the ________ statement.

Given the following method, which of these method calls is valid?

The ________ method is used to insert an item into an ArrayList.

What is the value of charges after the following code has been executed?

A(n) ________ is used as an index to pinpoint a specific element within an array.

What will be the results after the following code is executed?

In a general sense, a method is ________.

________ works like this: If the expression on the left side of the && operator is false, the expression the right side will not be checked.