Which is the correct syntax for placing the string “boat” into an ArrayList name recVehicles in position 3 for the first time?
a. recVehicles.set(3, “boat”);
b. recVehicles.set(“boat”, 3);
c. recVehicles.add(3, “boat”);
d. recVehicles.add(“boat”, 3);
C
Computer Science & Information Technology
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Computer Science & Information Technology
Answer the following statements true (T) or false (F)
1) Function float converts its argument to a floating-point value. 2) The exponentiation operator ** associates left to right. 3) Function call range( 1, 10 ) returns the sequence 1 to 10, inclusive. 4) Sentinel-controlled repetition uses a counter variable to control the number of times a set of instructions executes. 5) The symbol = tests for equality.
Computer Science & Information Technology