What is the purpose of the Arrays.sort() method in Java?
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How do you find the index of an element in an ArrayList named list in Java?
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Which method is used to add an element to the end of an ArrayList in Java?
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What happens when you try to access an element at an index that is out of bounds in an ArrayList in Java?
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Which method is used to remove all elements from an ArrayList in Java?
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In Java, how do you find the maximum element in an array?
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Which of the following statements is true about ArrayLists in Java?
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How do you declare a multi-dimensional array in Java?
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What is the purpose of the Arrays.fill() method in Java?
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In Java, what is the purpose of the Arrays.equals() method?
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In Java arrays are
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Which one of the following is a valid statement?
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What is the result of compiling and running the following code?
public class Test{
public static void main(String[] args){
int[] a = new int[0];
System.out.print(a.length);
}
}Select an option to see the answer and solution.
What will be the output?
public class Test{
public static void main(String[] args){
int[] x = new int[3];
System.out.println("x[0] is " + x[0]);
}
}Select an option to see the answer and solution.
What is the output of the following code?
public class Test{
public static void main(String args[]){
double[] myList = {1, 5, 5, 5, 5, 1};
double max = myList[0];
int indexOfMax = 0;
for(int i = 1; i < myList.length; i++){
if(myList[i] > max){
max = myList[i];
indexOfMax = i;
}
}
System.out.println(indexOfMax);
}
}Select an option to see the answer and solution.
What is output of the following code:
public class Test{
public static void main(String[] args){
int[] x = {120, 200, 016 };
for(int i = 0; i < x.length; i++)
System.out.print(x[i] + " ");
}
}Select an option to see the answer and solution.
Determine output:
public class Test{
public static void main(String[] args){
int[] x = {1, 2, 3, 4};
int[] y = x;
x = new int[2];
for(int i = 0; i < x.length; i++)
System.out.print(y[i] + " ");
}
}Select an option to see the answer and solution.
Analyze the following code and choose the correct answer.
int[] arr = new int[5];
arr = new int[6];Select an option to see the answer and solution.
What will be the output?
public class Test{
public static void main(String[] args){
int[] a = new int[4];
a[1] = 1;
a = new int[2];
System.out.println("a[1] is " + a[1]);
}
}Select an option to see the answer and solution.
When you pass an array to a method, the method receives ________ .
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