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Java arrays

Array is an important structure in programming language and Java programming language no difference

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Quran

QUESTION OF

calculate

Views #: 303

Questions #: 4

Pass Score: 80.0%

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Step

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Practice

Is the following array defined as null or with 0 length?

int temp_array[];

Null

zero length

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POINTS (1)

Correct Answer

Explanation

What is the correct array initialization from the following?

temp_array[]

array temp_array[]

int temp_array[];

array temp_array[]

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POINTS (1)

Correct Answer

Explanation

Is the following code correct?

Verify the following code and check if there is something wrong

public class MyClass {
  public static void main(String[] args) {
    int[] myNumbers = {"1", "2", "3", "4"};
    for (int i = 0; i < myNumbers.length; ++i) {
        System.out.println(myNumbers[i]);
    }
  }
}

Nothing wrong with the code

Loop will through an exception

Array initialization is not correct

Main method cannot be inside a class

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POINTS (1)

Correct Answer

Explanation

What is the the output of the following code snippet?

public class MyClass {
  public static void main(String[] args) {
    int[] myNumbers = {1, 2, 3, 4};
    System.out.println(myNumbers[1])
  }
}

Missing

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POINTS (1)

Correct Answer

Explanation

sin cos tan Deg Rad

sin^-1 cos^-1 tan^-1 π e

x^y x³ x² e^x 10^x

^y√x ³√x √x ln log

( ) 1/x % n!

7 8 9 + MS

4 5 6 – M+

1 2 3 × M-

0 . EXP ÷ MR

± RND C = MC

Java Programming Language

Is the following array defined as null or with 0 length?

Correct Answer

Explanation

What is the correct array initialization from the following?

Correct Answer

Explanation

Is the following code correct?

Correct Answer

Explanation

What is the the output of the following code snippet?

Correct Answer

Explanation

Quran Recitation