You can check if two strings are equal, by considering case or not considering the case, in your Java application. It is used in authentication (by equals() method), sorting (by compareTo() method), reference matching (by == operator) etc.. Java String类 equals() 方法用于将字符串与指定的对象比较。 String 类中重写了 equals() 方法用于比较两个字符串的内容是否相等。 This String equals method looks at the two Java strings, and if they contain the exact same string of characters, they are considered equal. The use of equals() method is broad and basically, it checks if this object is equal to the specified object. Java String equals, equalsIgnoreCase and contentEqualsUse the String equals and equalsIgnoreCase methods. We can compare string in java on the basis of content and reference. The equals() method takes a single parameter. If not, equals() returns false. Equals, equalsIgnoreCase. If all characters are not matched then it returns false. The Java String equals() method returns true if two strings are equal. dot net perls. Java String compare. In the context of string comparison, the equals method indicates if this string is equal to the other string. So, if two strings contain the same characters but use different cases, the equals() method will return false. The String Equals method is called on the String type object that has to be compared for equality. The string equals() method is case sensitive. Syntax. If all the contents of both the strings are same then it returns true. Java String Equals method is an instance method that allows comparing two string objects or literal for equality. The result is true if and only if the argument is not null and is a String object that represents the same sequence of characters as this object. The string object to which the string has to be compared is passed as a parameter to the Equals … The equality operator and null are tested. Notice that equals() and equalsIgnoreCase() methods behave in … Java String equalsIgnoreCase() example Java program to check if two strings are equal (case-insensitive). The syntax of the String equals() method is: string.equals(String str) Here, string is an object of the String class. Previous Page. Below example illustrate the use of .equals for string comparison in Java: Strings contain characters. String equals() method in java with example: This method compares this string to the specified object. "=="操作符的作用1、用于基本数据类型的比较2、判断引用是否指向堆内存的同一块地址。equals所在位置：在Object类当中，而Object是所有类的父类，包含在jdk里面，但 equals() Parameters. In Java, string equals() method compares the two given strings based on the data / content of the string. Java String equals Example. Next Page . There are three ways to compare string in java: Advertisements. Suppose we are operating a hotel and we are writing a program to streamline our check-in phase. These can be letters (lowercase and uppercase), digits, spaces. Java equals() method. Java - String contentEquals() Method. Java – Check if two Strings are Equal. In this tutorial, we shall see how to check if two Strings are equal in Java using the method String.equals(String anotherString). The object can be a string or other type. Description. This method returns true if and only if this String represents the same sequence of characters as specified in StringBuffer. We want to compare two strings for equality.