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FIT1051 Programming fundamentals in java - MUM S1 2025

FIT1051 Programming fundamentals in java - MUM S1 2025

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What does the following code do?

if (myString.charAt(0) == myString.charAt(myString.length() - 1))
{
    System.out.println(myString.substring(1, myString.length() - 1));
}

If the string myString begins and ends with the same letter, then the string is printed with the first letter removed.

If the string myString begins and ends with the same letter, then the string is printed with the first and last letters removed.

If the number of characters in myString is more than zero, then the string is printed with the first letter removed.

If the number of characters in myString is more than zero, then the string is printed with the first and last letters removed.

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When using the term interface in the context of Java class documentation, which of the following statements is not true?

The interface of a class does not include the source code

❌

The interface of a class refers to how the user can interact with that class

❌

Good class documentation should focus on describing its interface, and not its implementation

❌

The interface of a class would include its name, and a general description of its purpose

❌

The interface of a class would usually include a description of any private fields and methods in that class

✅

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Assuming r has been defined as a double variable representing the radius of a circle, which of the following Java expressions would most accurately compute the circle area?

3.14159 * Math.pow(2,r)

❌

Math.PI * Math.pow(r,2)

✅

Math.PI * Math.pow(2,r)

❌

3.14159 * Math.pow(r,2)

❌

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Which of the following is not a valid tag when using javadoc to generate class documentation?

loop

version

return

param

deprecated

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The following code fragment is intended to keep reading in an integer from the user until the number entered is between 1 and 10 (inclusive).

Image failed to load: code fragment

What kind of error does this code contain, and where?

Runtime error, on line 6

Syntax error, on line 6

Logic error, on line 7

Syntax error, on line 7

Runtime error, on line 7

Logic error, on line 6

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The following code fragment is intended to keep reading in an integer from the user until the number entered is between 1 and 10 (inclusive).

Image failed to load: code fragment

What kind of error does this code contain, and where?

Syntax error, on line 7

Syntax error, on line 6

Runtime error, on line 6

Logic error, on line 6

Runtime error, on line 7

Logic error, on line 7

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The following code fragment is intended to keep reading in a decimal value from the user until the number entered is between 0 and 1 (inclusive).

Image failed to load: code fragment

What kind of error does this code contain, and where?

Syntax error, line 6

Logic error, line 6

Runtime error, line 6

Runtime error, line 7

Logic error, line 7

Syntax error, line 7

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The following code fragment is intended to keep reading in an integer from the user until the number entered is between 1 and 10 (inclusive).

code fragment

What kind of error does this code contain, and where?

Runtime error, on line 6

Syntax error, on line 6

Logic error, on line 7

100%

Syntax error, on line 7

Runtime error, on line 7

Logic error, on line 6

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Consider the following code:

ArrayList<String> shapes = new ArrayList<String>(); 
Iterator<String> shapesIterator = shapes.iterator();

Which of the following is not true?

shapes is an ArrayList of Strings

❌

shapesIterator is an iterator object belonging to shapes

❌

the next() method is used to check if there are any more objects in the shapes collection

✅

all of the above are true

❌

the remove() method can be used to delete an object from the shapes collection

❌

For Java arrays and ArrayLists the highest index of an array = the number of elements in the array – 1

❌

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The following code fragment is intended to keep reading in an integer from the user until the number entered is between 1 and 10 (inclusive).

code fragment

What kind of error does this code contain, and where?

Syntax error, on line 7

Syntax error, on line 6

Runtime error, on line 6

Logic error, on line 6

Runtime error, on line 7

Logic error, on line 7

100%

Переглянути це питання

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