Java uses if statement to determine whether strings are equal

String comparison in Java cannot directly use "==", but must use equals(). Return true if the two strings are equal, and return false if the two strings are not equal. For example: (Recommended learning:java video tutorial)

if (s1.equals(s2)) { System.out.println("s1与s2相等！！"); } else { System.out.println("s1与s2没啥关系！！"); }

1. String is an object type, so it cannot be judged by simple "==";

2. Equals() compares whether the contents of the objects (in the case-sensitive format of letters) are equal;

3. When "==" compares two objects, it compares the contents of the two objects. memory addresses, so they are not equal.

Recommended related articles and tutorials:java introductory tutorial

The above is the detailed content of Java uses if statement to determine whether strings are equal. For more information, please follow other related articles on the PHP Chinese website!