The static keyword is used to declare the class variable and method. It generally manages the memory for the global data variable. The static variables and methods are the member of the class instead of an individual instance. The static variable or methods are the same for every instance of the class, so if we declare the data member as static then we can access it without creating an object. The class object is not required to access the static method or variable we can access it by putting the class name before the static variable or method. Using the class name, we can call the class method from the other classes.<\/p>\n\n\n\n
A variable which is declared using the static keyword inside the class is called\u00a0Dart\u00a0static keyword. These are the member of the class instead of a specific instance. The static variables are treated the same for all instances of the class; it means a single copy of the static variable is shared among all instances of classes. It allocates memory once and at the class loading and uses throughout the program.<\/p>\n\n\n\n
Point to Remember –<\/strong><\/p>\n\n\n\n Dart provides the static keyword to declare the static variable. It is declared by using the static keyword followed by the variable name. The syntax is given below.<\/p>\n\n\n\n Syntax:<\/strong><\/p>\n\n\n\n <\/a><\/a><\/a><\/p>\n\n\n\n We can access the static variable by using the class name itself instead of creating an object of it. The syntax is given below.<\/p>\n\n\n\n Syntax:<\/strong><\/p>\n\n\n\n <\/a><\/a><\/a><\/p>\n\n\n\n The concept of the static method is also similar to static variable. The static methods are the member of the class instead of the class instance. The static methods can use only static variables and can invoke the static method of the class. We don’t need to create an instance of class the access it. The static method is useful when we want to use it in other classes.<\/p>\n\n\n\n Points to Remember<\/strong><\/p>\n\n\n\n We can declare the static method by using the static keyword followed by the method name with the return type. The syntax is given below.<\/p>\n\n\n\n Syntax:<\/strong><\/p>\n\n\n\n <\/a><\/a><\/a><\/p>\n\n\n\n The static methods can be called by using the class name, which they belong to instead of creating an object.<\/p>\n\n\n\n Syntax:<\/strong><\/p>\n\n\n\n <\/a><\/a><\/a><\/p>\n\n\n\n Let’s understand the following example.<\/p>\n\n\n\n Example –<\/strong><\/p>\n\n\n\n <\/p>\n\n\n\n <\/p>\n\n\n\n Output<\/strong><\/p>\n\n\n\n Explanation:<\/strong><\/p>\n\n\n\n In the above code, we declared the class called Student<\/strong>, which has three fields including static variable stdBranch<\/strong> and one method showStdInfo()<\/strong>. We created two instances of class Student and assigned values to the class variables.<\/p>\n\n\n\n The static variable stdBranch<\/strong> accessed by using the class name and assigned value. Then, we called the showStdInfo() function by objects std1 and stu2. It printed details of the student as an output.<\/p>\n","protected":false},"excerpt":{"rendered":" The static keyword is used to declare the class variable and method. It generally manages the memory for the global data variable. The static variables and methods are the member of the class instead of an individual instance. The static variable or methods are the same for every instance of the class, so if we […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[266],"tags":[],"_links":{"self":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts\/3908"}],"collection":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/comments?post=3908"}],"version-history":[{"count":0,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/posts\/3908\/revisions"}],"wp:attachment":[{"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/media?parent=3908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/categories?post=3908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mudassirbackup.infinitycodestudio.com\/index.php\/wp-json\/wp\/v2\/tags?post=3908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}Declaring Static Variable<\/h2>\n\n\n\n
Accessing Static Variable<\/h2>\n\n\n\n
Dart Static Method<\/h2>\n\n\n\n
Declaring Static Methods<\/h2>\n\n\n\n
Calling Static Method<\/h2>\n\n\n\n
class Student { \n static String stdBranch; \/\/ Declaring static variable \n String stdName; \n int roll_num; \n \n showStdInfo() { \n print(\"Student's name is: ${empName}\"); \n print(\"Student's salary is: ${roll_num}\"); \n print(\"Student's branch name is: ${stdBranch}\"); \n \n } \n} \n \nvoid main() { \n \n Student std1 = new Student(); \/\/ Creating instances of student class \n Student std2 = new Student(); \n \/\/ Assigning value of static variable using class name \n Student.stdBranch = \"Computer Science\"; \n \n std1.stdName = \"Ben Cutting\"; \n std1.roll_num = 90013 \n std1.showStdInfo(); \n \n std2.stdName = \"Peter Handscomb\"; \n std2.roll_num = 90014 \n std2.showStdInfo(); \n} <\/code><\/pre>\n\n\n\nStudent's name is: Ben Cutting\nStudent's salary is: 90013\nStudent's branch name is: Computer Science\nStudent's name is: Peter Handscomb\nStudent's salary is: 90014\nStudent's branch name is: Computer Science\n<\/code><\/pre>\n\n\n\n