If all characters are not matched then it returns false. We want to compare two strings for equality. Previous Page. Advertisements. Java String equals Example. Next Page . equals() Parameters. It is used in authentication (by equals() method), sorting (by compareTo() method), reference matching (by == operator) etc.. Java – Check if two Strings are Equal. Java String equalsIgnoreCase() example Java program to check if two strings are equal (case-insensitive). The String Equals method is called on the String type object that has to be compared for equality. These can be letters (lowercase and uppercase), digits, spaces. Below example illustrate the use of .equals for string comparison in Java: This String equals method looks at the two Java strings, and if they contain the exact same string of characters, they are considered equal. Java - String contentEquals() Method. Java String Equals method is an instance method that allows comparing two string objects or literal for equality. If not, equals() returns false. We can compare string in java on the basis of content and reference. Equals, equalsIgnoreCase. Strings contain characters. In Java, string equals() method compares the two given strings based on the data / content of the string. Suppose we are operating a hotel and we are writing a program to streamline our check-in phase. The equals() method takes a single parameter. The use of equals() method is broad and basically, it checks if this object is equal to the specified object. dot net perls. In the context of string comparison, the equals method indicates if this string is equal to the other string. 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 Java String equals() method returns true if two strings are equal. There are three ways to compare string in java: Java String compare. The object can be a string or other type. This method returns true if and only if this String represents the same sequence of characters as specified in StringBuffer. You can check if two strings are equal, by considering case or not considering the case, in your Java application. Java String equals, equalsIgnoreCase and contentEqualsUse the String equals and equalsIgnoreCase methods. The equality operator and null are tested. String equals() method in java with example: This method compares this string to the specified object. 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。 The string object to which the string has to be compared is passed as a parameter to the Equals … Notice that equals() and equalsIgnoreCase() methods behave in … Description. Java equals() method. Syntax. The syntax of the String equals() method is: string.equals(String str) Here, string is an object of the String class. In this tutorial, we shall see how to check if two Strings are equal in Java using the method String.equals(String anotherString). So, if two strings contain the same characters but use different cases, the equals() method will return false. If all the contents of both the strings are same then it returns true. "=="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 The string equals() method is case sensitive.