- ATiger
- BLion
- CDeerLion
- DNo output
Let's analyze the given Java program to determine its output.
int a = 2;
switch (a) {
case 1:
System.out.print("Tiger");
case 2:
System.out.print("Deer");
default:
System.out.print("Lion");
}
int a = 2;
The variable a
is initialized with the value 2.
switch (a) {
The switch
statement checks the value of a
:
Since a
is 2, it does not match case 1
, so the code inside case 1
is not executed.
The value of a
matches case 2
, so the statement inside case 2
is executed:System.out.print("Deer");
This prints Deer.
Since there is no break
statement, the execution falls through to the default
case:System.out.print("Lion");
This prints Lion.
The output of the program is:
DeerLion
The correct answer is: c) DeerLion
Let's determine the final values stored in the variables x
and y
based on the given code:
double a = 6.35;
double b = 14.74;
double x = Math.abs(Math.ceil(a));
double y = Math.rint(Math.max(a, b));
x
:Math.ceil(a)
:
The Math.ceil(x)
method returns the smallest integer greater than or equal to x
.
For a = 6.35
, Math.ceil(6.35)
returns 7.0.
Math.abs(Math.ceil(a))
:
The Math.abs(x)
method returns the absolute value of x
.
Since Math.ceil(a)
is 7.0, and 7.0 is already positive, Math.abs(7.0)
remains 7.0.
So, the value of x
is 7.0.
y
:Math.max(a, b)
:
The Math.max(x, y)
method returns the greater of the two values.
For a = 6.35
and b = 14.74
, Math.max(6.35, 14.74)
returns 14.74.
Math.rint(Math.max(a, b))
:
The Math.rint(x)
method returns the double value that is closest to x
. If two double values are equally close, the even one is returned.
For Math.max(a, b)
which is 14.74, Math.rint(14.74)
returns 15.0 because 15.0 is the nearest integer to 14.74.
So, the value of y
is 15.0.
The final values stored in variables x
and y
are:
Let's analyze the given Java code segment to determine its output:
int i;
for (i = 5; i > 10; i++)
System.out.println(i);
System.out.println(1 * 4);
for (i = 5; i > 10; i++)
:
- **Initialization:** i
is initialized to 5
.
- **Condition:** The loop runs while i > 10
.
- **Update:** i
is incremented by 1
after each iteration.
Since i
starts at 5
and 5
is not greater than 10
, the loop condition is false from the beginning. Therefore, the loop body does not execute even once.
System.out.println(1 * 4);
:
- This statement prints the result of the expression 1 * 4
, which is 4.
The program does not produce an error, run infinitely, or run 5 times. The output of the program is:
The parseLong()
function is a member of the Long wrapper class.
parseLong()
is a static method provided by the Long
wrapper class in Java.String
into a long
value.a) Long wrapper class
The method used to extract a single character from a String
object in Java is charAt()
.
charAt(int index)
is a method of the String
class that returns the character at the specified index in the string. The index is zero-based, meaning the first character is at index 0
.c) charAt()
Invoking a method by passing the object of a class is known as call by reference.
Call by Reference: When you pass an object to a method, you are passing a reference to that object, not a copy of the object itself. Thus, changes made to the object inside the method affect the original object.
Call by Value: This means passing a copy of the value of the variable. In Java, primitive types are passed by value, but objects are passed by reference.
b) Call by reference
The name of a constructor in Java must match the name of the class exactly. Therefore, if the name of the class is Computer
, the possible name of the constructor must be:
c) Computer()
Constructor Name: In Java, a constructor is a special method that is called when an instance of a class is created. The constructor must have the same name as the class and does not have a return type, not even void
.
Options:
c) Computer()
Let's analyze the given Java code to determine its output:
public static void main(String[] args) {
int a = 5;
a++;
System.out.println(a);
a -= (a--) - (--a);
System.out.println(a);
}
- int a = 5;
initializes a
with the value 5
.
- a++;
increments a
by 1
. After this operation, a
becomes 6
.
- System.out.println(a);
prints the value of a
, which is 6.
- a--
is the post-decrement operator. It returns the value of a
before decrementing it. So, a--
evaluates to 6
, and then a
is decremented to 5
.
- --a
is the pre-decrement operator. It decrements a
first, so --a
evaluates to 4
, and a
becomes 4
.
- Therefore, the expression a -= (a--) - (--a)
translates to a -= 6 - 4
:
6 - 4
evaluates to 2
.a -= 2
is equivalent to a = a - 2
. Since a
is 4
at this point, this becomes 4 - 2
, which results in 2
.- System.out.println(a);
prints the value of a
, which is 4.
The output of the program is:
a++
operation)a -= (a--) - (--a)
operation)
Let's analyze the corrected Java code to determine its type:
class Out {
int a = 5; // Adding a variable to compare with x
int cal() {
int x = 10;
if (x > a) {
return --x; // Decrements x by 1 and returns 9
} else {
return ++x; // Increments x by 1 and returns 11
}
}
public static void main(String[] args) {
Out ob = new Out(); // Create an instance of the class
int x = ob.cal(); // Call the method cal() and store the result in x
System.out.println(x); // Print the value of x
}
}
The method cal()
performs an operation based on the class-level variable a
and modifies the value of x
. It returns 9
in this case, because x
is greater than a
.
- The method is considered an impure method because it depends on and operates based on mutable state.
The program demonstrates an example of an Impure Method.
Generative AI can be used to create video game content by automatically generating detailed game worlds and characters. AI algorithms can design expansive and immersive game environments, create complex character models, and generate interactive elements based on predefined parameters. This capability enables game developers to create rich and diverse gaming experiences more efficiently. By leveraging AI for content generation, developers can streamline the design process, reduce development time, and explore creative possibilities that may not have been feasible manually. AI-generated content can include landscapes, architecture, character attributes, and narratives, providing a dynamic and engaging experience for players. This use of AI in game development enhances creativity and productivity while allowing developers to focus on refining gameplay and overall game design.
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