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Commit 5cafd65

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author
Rajeev Kumar Singh
committed
Code org
1 parent 1ac2e91 commit 5cafd65

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52 files changed

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52 files changed

+1001
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package main
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import "fmt"
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func avg(x float64, y float64) float64 {
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return (x + y) / 2
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}
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func main() {
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x := 5.75
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y := 6.25
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result := avg(x, y)
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fmt.Printf("Average of %.2f and %.2f = %.2f\n", x, y, result)
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}
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package main
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import (
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"fmt"
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"math"
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)
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func getStockPriceChange(prevPrice, currentPrice float64) (float64, float64) {
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change := currentPrice - prevPrice
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percentChange := (change / prevPrice) * 100
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return change, percentChange
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}
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func main() {
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prevStockPrice := 0.0
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currentStockPrice := 100000.0
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change, percentChange := getStockPriceChange(prevStockPrice, currentStockPrice)
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if change < 0 {
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fmt.Printf("The Stock Price decreased by $%.2f which is %.2f%% of the prev price\n", math.Abs(change), math.Abs(percentChange))
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} else {
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fmt.Printf("The Stock Price increased by $%.2f which is %.2f%% of the prev price\n", change, percentChange)
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}
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}
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package main
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import (
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"errors"
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"fmt"
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"math"
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)
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func getStockPriceChangeWithError(prevPrice, currentPrice float64) (float64, float64, error) {
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if prevPrice == 0 {
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err := errors.New("Previous price cannot be zero")
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return 0, 0, err
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}
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change := currentPrice - prevPrice
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percentChange := (change / prevPrice) * 100
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return change, percentChange, nil
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}
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func main() {
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prevStockPrice := 0.0
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currentStockPrice := 100000.0
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change, percentChange, err := getStockPriceChangeWithError(prevStockPrice, currentStockPrice)
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if err != nil {
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fmt.Println("Sorry! There was an error: ", err)
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} else {
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if change < 0 {
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fmt.Printf("The Stock Price decreased by $%.2f which is %.2f%% of the prev price\n", math.Abs(change), math.Abs(percentChange))
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} else {
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fmt.Printf("The Stock Price increased by $%.2f which is %.2f%% of the prev price\n", change, percentChange)
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}
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}
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}
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package main
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import (
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"fmt"
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"math"
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)
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func getNamedStockPriceChange(prevPrice, currentPrice float64) (change, percentChange float64) {
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change = currentPrice - prevPrice
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percentChange = (change / prevPrice) * 100
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return change, percentChange
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}
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func main() {
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prevStockPrice := 100000.0
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currentStockPrice := 90000.0
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change, percentChange := getNamedStockPriceChange(prevStockPrice, currentStockPrice)
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if change < 0 {
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fmt.Printf("The Stock Price decreased by $%.2f which is %.2f%% of the prev price\n", math.Abs(change), math.Abs(percentChange))
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} else {
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fmt.Printf("The Stock Price increased by $%.2f which is %.2f%% of the prev price\n", change, percentChange)
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}
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}
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package main
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import (
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"fmt"
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"math"
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)
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func getStockPriceChange(prevPrice, currentPrice float64) (float64, float64) {
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change := currentPrice - prevPrice
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percentChange := (change / prevPrice) * 100
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return change, percentChange
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}
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func main() {
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prevStockPrice := 80000.0
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currentStockPrice := 120000.0
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change, _ := getStockPriceChange(prevStockPrice, currentStockPrice)
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if change < 0 {
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fmt.Printf("The Stock Price decreased by $%.2f\n", math.Abs(change))
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} else {
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fmt.Printf("The Stock Price increased by $%.2f\n", change)
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}
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}

‎07-arrays/01-array-declaration/main.go

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package main
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import "fmt"
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func main() {
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var x [5]int // An array of 5 integers
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fmt.Println(x)
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var y [8]string // An array of 8 strings
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fmt.Println(y)
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var z [3]complex128 // An array of 3 complex numbers
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fmt.Println(z)
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// By default, all the array elements are assigned the zero value of the array type.
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// For example, if we declare an integer array, all the elements will be initialized with zero.
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// If we declare a string array, all the elements will be initialized with an empty string, and so on.
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}

‎07-arrays/02-array-indexing/main.go

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package main
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import "fmt"
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func main() {
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var x [5]int // An array of 5 integers
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x[0] = 100
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x[1] = 101
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x[3] = 103
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x[4] = 105
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fmt.Printf("x[0] = %d, x[1] = %d, x[2] = %d\n", x[0], x[1], x[2])
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fmt.Println("x = ", x)
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}
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package main
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import "fmt"
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func main() {
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// Declaring and initializing an array at the same time
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var a = [5]int{2, 4, 6, 8, 10}
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fmt.Println(a)
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// Short hand declaration for declaring and initializing an array
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b := [5]int{2, 4, 6, 8, 10}
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fmt.Println(b)
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// You don't need to initialize all the elements of the array.
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// The un-initialized elements will be assigned the zero value of the corresponding array type
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c := [5]int{2}
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fmt.Println(c)
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// Letting Go compiler infer the length of the array
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d := [...]int{3, 5, 7, 9, 11, 13, 17}
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fmt.Println(d)
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}

‎07-arrays/04-array-value-types/main.go

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package main
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import "fmt"
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func main() {
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a1 := [5]string{"English", "Japanese", "Spanish", "French", "Hindi"}
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a2 := a1 // A copy of the array `a1` is assigned to `a2`
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a2[1] = "German"
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fmt.Println("a1 = ", a1) // The array `a1` remains unchanged
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fmt.Println("a2 = ", a2)
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}
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package main
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import "fmt"
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func main() {
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// Iterating over and Array and printing its elements
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names := [3]string{"Mark Zuckerberg", "Bill Gates", "Larrt Page"}
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for i := 0; i < len(names); i++ {
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fmt.Println(names[i])
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}
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// Finding the Sum of an Array
14+
a := [4]float64{3.5, 7.2, 4.8, 9.5}
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sum := float64(0)
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for i := 0; i < len(a); i++ {
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sum = sum + a[i]
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}
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fmt.Printf("Sum of all the elements in array %v = %f\n", a, sum)
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}

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