11. Create a Go program to count the frequency of words in a string using a map.
Required Input:
A string (e.g., "Go is fun and Go is fast").Expected Output:
Word Frequencies: map[Go:2 is:2 fun:1 and:1 fast:1]Code In Go
package main
import "fmt"
func main() {
// Count word frequencies in a string
}
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12. Create a Go program to generate Fibonacci numbers up to a given limit using a loop.
Required Input:
An integer n = 10.Expected Output:
[0 1 1 2 3 5 8 13 21 34]
Code In Go
package main
import "fmt"
func fibonacci(n int) []int {
// Generate Fibonacci numbers up to the limit
return nil
}
func main() {
fmt.Println(fibonacci(10))
}
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13. Write a Go program to demonstrate the use of time.Ticker to execute a task periodically.
Required Input:
A ticker interval of 1 second.Expected Output:
Task executed
Task executed
Task executed
Task executed
Task executed
Code In Go
package main
import "fmt"
func main() {
// Use time.Ticker to execute a task periodically
}
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14. Write a Go program to marshal a struct into JSON and save it to a file.
Required Input:
A struct Person{Name: "Alice", Age: 25}.Expected Output:
JSON data saved to output.json
Code In Go
package main
import "fmt"
func main() {
// Marshal a struct into JSON and save it to a file
}
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15. Create a Go program to implement a circular queue using a slice.
Required Input:
Operations: enqueue 10, 20, dequeue, enqueue 30, dequeue.Expected Output:
30
Code In Go
package main
import "fmt"
type CircularQueue struct {
// Define fields for the queue
}
func main() {
// Implement enqueue and dequeue operations
}
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16. Write a Go program to demonstrate the use of a custom struct as a key in a map.
Required Input:
Struct Point with fields X and Y.Expected Output:
Point A
Point B
Code In Go
package main
import "fmt"
type Point struct {
// Define fields for the struct
}
func main() {
// Use the struct as a map key
}
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17. Create a Go program to implement a simple publish-subscribe model using channels.
Required Input:
Subscribers listen for messages on a channel.Expected Output:
Subscriber 2 received: Hello
Subscriber 2 received: World
Subscriber 2 received: From
Subscriber 2 received: Publisher
Code In Go
package main
import "fmt"
func publisher(ch chan string) {
// Send messages to the channel
}
func subscriber(ch chan string, id int) {
// Receive and print messages from the channel
}
func main() {
// Set up publisher and subscribers
}
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18. Write a Go program to implement a simple calculator using interfaces for different operations.
Required Input:
Two integers (e.g., 10, 5) and operations (+, -, *, /).Expected Output:
15
5
50
2
Code In Go
package main
import "fmt"
type Operation interface {
Compute(a, b int) int
}
func main() {
// Implement different operations using the interface
}
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19. Create a Go program to merge two sorted slices into one sorted slice.
Required Input:
Two sorted slices (e.g., [1, 3, 5] and [2, 4, 6]).Expected Output:
[1 2 3 4 5 6]
Code In Go
package main
import "fmt"
func mergeSlices(slice1, slice2 []int) []int {
// Implement the merging logic
return nil
}
func main() {
// Merge two sorted slices and print the result
}
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20. Create a Go program to implement a worker pool pattern using goroutines and channels.
Required Input:
A set of tasks (e.g., [1, 2, 3, 4, 5]).Expected Output:
Worker 3 processing task 1
Worker 3 processing task 3
Worker 3 processing task 4
Worker 3 processing task 5
Result: 2
Result: 6
Result: 8
Result: 10
Worker 1 processing task 2
Result: 4
Code In Go
package main
import "fmt"
func worker(id int, tasks <-chan int, results chan<- int) {
// Implement worker functionality
}
func main() {
// Set up workers and task processing
}
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