What is the type of variable B and D in the following Java snippet?

‘b’ is int variable; ‘d’ is int array.

Where is an array stored in memory select one a heap space B stack space C heap space and stack space D first generation memory?

Explanation: Array is stored in heap space. Whenever an object is created, it’s always stored in the Heap space and stack memory contains the reference to it.

Which of these is an incorrect way of array declaration?

Which of these is an incorrect array declaration? Explanation: Operator new must be succeeded by array type and array size.

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Which of these is an incorrect int arr <UNK> New Int <UNK> New Int 5r INT 5r INT 5r INT ARR in Ind 5r int arr <UNK> int 5?

Option D int arr[] = int [5] new is incorrect array declaration. Operator new must be succeeded by array type and array size.

What is the type of variable B and D?

‘b’ is int variable; ‘d’ is int array.

What variables are stored in stack and heap?

Key Differences

The Heap Space contains all objects are created, but Stack contains any reference to those objects. Objects stored in the Heap can be accessed throughout the application. Primitive local variables are only accessed the Stack Memory blocks that contain their methods.

Which of the following is a valid declaration of an object of class box?

Discussion Forum

Que. Which of the following is a valid declaration of an object of class Box?
b. Box obj = new Box;
c. obj = new Box();
d. new Box obj;
Answer:Box obj = new Box();

What is a Java array?

Arrays are used to store multiple values in a single variable, instead of declaring separate variables for each value. To declare an array, define the variable type with square brackets: String[] cars; We have now declared a variable that holds an array of strings.

Which of these is correct way of inheriting class A by Class B?

Discussion Forum

Que. Which of these is correct way of inheriting class A by class B?
b. class B inherits class A {}
c. class B extends A {}
d. class B extends class A {}
Answer:class B extends A {}
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Which of these is an incorrect int arr <UNK> New int 5r int arr <UNK> int arr <UNK> int 5 new int 5 new D int <UNK> int arr?

Explanation: int arr[] = int [5] is an incorrect array declaration because Operator new must be succeeded by array type and array size.

Are can be initialised using separated expressions surrounded by?

Array can be initialized using comma separated expressions surrounded by curly braces. It is necessary to use new operator to initialize an array.

Which of the following is correct array declaration in Java?

The following Java array declarations are actually all valid: int[] intArray; int intArray[]; String[] stringArray; String stringArray[]; MyClass[] myClassArray; MyClass myClassArray[];

Which of the following is a type of polymorphism in Java?

Which of the following is a type of polymorphism in Java? Explanation: There are two types of polymorphism in Java. Compile time polymorphism (overloading) and runtime polymorphism (overriding).

What is the output of the below Java program?

2) What is the output of the below Java program? Explanation: The class name and the java file name should be the same. So, change either file name or class name to match.

What does a data type in Java refers to?

Data Types in Java. Data types specify the different sizes and values that can be stored in the variable. There are two types of data types in Java: Primitive data types: The primitive data types include boolean, char, byte, short, int, long, float and double.