String myStr1 = "Hello"; String myStr2 = "Hello"; String myStr3 = "Another String"; System.out.println(myStr1.equals(myStr2)); // Returns true because they are equal System.out.println(myStr1.equals(myStr3)); // false Try it Yourself » Definition...
The following example demonstrates theEqualsmethod. C# // Sample for String.Equals(Object)// String.Equals(String)// String.Equals(String, String)usingSystem;usingSystem.Text;classSample1{publicstaticvoidMain(){ StringBuilder sb =newStringBuilder("abcd"); String str1 ="abcd"; String str2 =null...
STAThreadAttribute Class String Class String Class String Constructor String Fields String Methods String Methods Compare Method CompareOrdinal Method CompareTo Method Concat Method Contains Method Copy Method CopyTo Method EndsWith Method Equals Method Equals Method Equals Method (Object) E...
String.Equals Method (String, StringComparison) Learn 登入 關閉警示 我們不會再定期更新此內容。 如需此產品、服務、技術或 API 的支援資訊,請參閱Microsoft 產品生命週期。 返回主要網站 String Operators String Properties StringComparer Class StringComparison Enumeration...
The solution is to add hashCode method to the class. Here I just use the color string’s length for demonstration. public int hashCode(){ return this.color.length(); } 1. 2. 3.
public class TestMain { public static void main(String[] args) { String str1 = "abc"; String str2 = "abc"; String str3 = "ab" + "c"; String str4 = "ab"; str4 = str4 + "c"; String str5 = new String("abc");
stringstr1 ="Fuck";stringstr2 ="Fuck"; Object.ReferenceEquals(str1,str2)将会返回真。 2. 实现值类型的Equals: Override the virtualObject.Equals(Object) method. In most cases, your implementation of bool Equals( object obj ) should just call into the type-specific Equals method that is the ...
publicString toString() { returngetClass().getName() +"@"+ Integer.toHexString(hashCode()); } 注意到hashCode方法前面有个native的修饰符,这表示hashCode方法是由非java语言实现的,具体的方法实现在外部,返回内存对象的地址。 在java的很多类中都会重写equals和hashCode方法,这是为什么呢?最常见的String类,比如...
The method is called repeatedly after small changes are made to each object, and the results are displayed to the console. C# 複製 執行 using System; using System.Text; class Sample { public static void Main() { StringBuilder sb1 = new StringBuilder("abc"); StringBuilder sb2 = new ...
class Cat { public Cat(String name) { this.name = name; } private String name; public String getName() { return name; } public void setName(String name) { this.name = name; } } Cat c1 = new Cat("不古"); Cat c2 = new Cat("不古"); ...