In this tutorial, we’ll learn how to compare two lists in Kotlin. 2. Introduction to the Problem AListis an ordered collection of elements. Further,aListcan contain duplicate values. Therefore, when we’re talking about comparing two lists, depending on the requirement, there are a couple ...
println(mixedColor)// "brown&blue" compareTo in infix notationCopy heading link We’ve added the ability to call theComparable.compareTofunction in infix notation to compare two objects for order: xxxxxxxxxx classWrappedText(valtext:String) :Comparable<WrappedText>{ overridefuncompareTo(other:Wrapp...
第1种方法你可以用双等号来比较两个字符串。 第2种方法用String.compareTo,这个扩展函数来比较两个字符串。 第25题, 下面这段代码是干什么用的? bar{ System.out.println("haha") } bar作为一个函数,正在接收一个表达式为参数,这个表达式用来打印一行字符串。 Android:Kotlin详细入门学习指南-基础语法(一) 本...
第1种方法你可以用双等号来比较两个字符串。 第2种方法用String.compareTo,这个扩展函数来比较两个字符串。 2.1 在Kotlin泛型中,*和Any的区别 List<*> 更够包含任何类型,但只有该擦除后的类型 List<Any>可以包含任何类型。 2.2 如何在Kotlin中带值初始化数组? val numbers: IntArray = intArrayOf(10, 20,...
data class Student(val name: String, val age: Int, val country: String? = null) : Comparable<Student> { override fun compareTo(other: Student): Int { return compareValuesBy(this, other, { it.name }, { it.age }) } } As we can see, we will compare two Student objects by the ...
* * If two objects are equal according to the equals() method, then calling the hashCode method on each of the two objects must produce the same integer result. */ public open fun hashCode(): Int /** * Returns a string representation of the object. ...
在Kotlin1.1中，你可以使用contentEquals和contentDeepEquals来比较两个数组的 * 结构 * 相等性。例如：...
provided no information used in equals comparisons on the object is modified. * * If two objects are equal according to the equals() method, then calling the hashCode method on each of the two objects must produce the same integer result. */publicopen funhashCode():Int/** * Returns a st...
The expression “if” will return a value whenever necessary. Like other programming language, “if-else” block is used as an initial conditional checking operator. In the following example, we will compare two variables and provide the required output accordingly....
让我们举一个例子来比较 Kotlin 中的两个字符串。有两种比较字符串的方法,使用equals()方法或使用compareTo()方法。 /** * created by Chaitanya for Beginnersbook.com */packagebeginnersbookfunmain(args :Array<String>){varstr1 ="BeginnersBook"varstr2 ="beginnersbook"/** ...