Arrays in Java

Find the output

class Test {

public static void main(String args[]) {

int arr[2];

System.out.println(arr[0]);

System.out.println(arr[1]);

}

}

• Compile error

• Exception

• Garbage value

  Garbage value

• 0

  0

Find the output

class Test {

public static void main(String args[]) {

int arr [ ] = new int[2];

System.out.println(arr[0]);

System.out.println(arr[1]);

}

}

• Compile error

• Exception

• Garbage value

  Garbage value

• 0

  0

class Demo1

{

public static void main(String args[])

{

int i[] = new int[0];

System.out.println(i[0]);

}

}

• 0

• Exception

• Garbage value

class Demo1

{

public static void main(String args[])

{

int i[] = new int[10];

System.out.println(i[10]);

}

}

• 0

• Garbage value

• Out of bound exception

• Error

How will you identify a single dimensional array?

• single curly brackets

• single square brackets

• multiple squares brackets

• single angled brackets

If the data is in order the best search to use would be a______

• Binary Search

• Linear Search

What is returned by values[5]?

• 2

• 12

• 6

• 8

Which option represents: An array holding String data?

• var names = {"Raj", "Simran", "Divya"};

• var names = {Raj, Simran, Divya};

ar nums ={2, 3, 5, 8, 9, 11};

How would you access the second element in nums

• num(2)

• num[2]

• num(1)

• num[1]

What is the result of :

nums[1]+nums[3]

• 3

• 14

• 6

• 5