Ders 32

Author: ArinSoftware

32_maps/main.go

@@ -0,0 +1,84 @@
+package main
+
+import "fmt"
+
+func main() {
+
+	/* 	myMap := map[string]int{
+	   		"Ahmet":   40,
+	   		"Ayşe":    17,
+	   		"Selim":   14,
+	   		"Mustafa": 70,
+	   	}
+
+	   	fmt.Println(myMap)
+	   	//fmt.Println(myMap[0])
+	   	fmt.Println(myMap["Ahmet"], myMap["Selim"])
+	   	fmt.Println(myMap["Ahmet Mehmet"]) */
+
+	/* 	myMap := map[string]int{ // LITERAL
+
+	   		"Ahmet":   40,
+	   		"Ayşe":    17,
+	   		"Selim":   14,
+	   		"Mustafa": 70,
+	   	}
+
+	   	fmt.Println(myMap)
+
+	   	fmt.Println(myMap["Aslı"]) */
+
+	// key - value aynı veri tipinde olmasına gerek yok
+
+	/* 	isMarried := map[string]bool{
+	   		"Ahmet":  true,
+	   		"Ayşe":   false,
+	   		"Mahmut": false,
+	   	}
+
+	   	fmt.Println(isMarried) */
+
+	/* 	myMap := make(map[string]int)
+
+	   	fmt.Println(myMap)
+	   	fmt.Println(myMap["Test"]) */
+
+	/* 	fmt.Println(studentGrades)
+	   	fmt.Println(studentGrades["Arin"])
+	   	fmt.Println(studentGrades["Çınar"]) */
+	//fmt.Println(studentGrades["Elis"])
+
+	/* 	value, ok := studentGrades["Arin"]
+	   	fmt.Println(value, ok) */
+
+	/* 	_, ok := studentGrades["Elis"]
+	   	fmt.Println(ok) */
+
+	/* 	fmt.Println(studentGrades)
+	   	studentGrades["Mahmut"] = 55
+	   	fmt.Println(studentGrades)
+	   	fmt.Println(len(studentGrades))
+	   	delete(studentGrades, "Selim")
+	   	fmt.Println(studentGrades)
+
+	   	fmt.Println(len(studentGrades)) */
+
+	studentGrades := map[string]int{
+		"Arin":  80,
+		"Ahmet": 29,
+		"Selim": 72,
+		"Ayşe":  77,
+		"Çınar": 0,
+	}
+
+	/* 	sg := studentGrades // maps --> pass by reference
+	   	fmt.Println(studentGrades)
+	   	fmt.Println(sg)
+	   	delete(sg, "Arin")
+	   	fmt.Println(sg)
+	   	fmt.Println(studentGrades) */
+
+	for k, v := range studentGrades {
+		fmt.Println(k, v)
+	}
+}